https://auricartisan.com/library/learn/ Educational resources and tutorials from Auric Artisan. en-US Fri, 14 Aug 2026 00:00:00 GMT https://auricartisan.com/library/learn/articles/2026-08-14-screen-printing-color https://auricartisan.com/library/learn/articles/2026-08-14-screen-printing-color Fri, 14 Aug 2026 00:00:00 GMT An interactive guide to color in screen printing: how a design is separated into one spot-color screen per ink, why registration matters, why dark garments need a white underbase, and how a few inks reproduce photographs with halftones. Print https://auricartisan.com/library/learn/articles/2026-08-13-color-and-food https://auricartisan.com/library/learn/articles/2026-08-13-color-and-food Thu, 13 Aug 2026 00:00:00 GMT An interactive guide to color and food: why warm colors look appetizing and blue looks wrong, why so few natural foods are blue, how color sets our flavor expectations before we taste, and how color signals ripeness and freshness. Design https://auricartisan.com/library/learn/articles/2026-08-12-the-color-of-metals https://auricartisan.com/library/learn/articles/2026-08-12-the-color-of-metals Wed, 12 Aug 2026 00:00:00 GMT An interactive guide to the color of metals: why gold is yellow and copper is red while silver and aluminum are neutral mirrors, how an interband absorption edge in the reflectance spectrum sets the hue, and how alloys shift it. Physics https://auricartisan.com/library/learn/articles/2026-08-11-dominant-wavelength-and-purity https://auricartisan.com/library/learn/articles/2026-08-11-dominant-wavelength-and-purity Tue, 11 Aug 2026 00:00:00 GMT An interactive guide to dominant wavelength and excitation purity: how to describe any color as a spectral hue plus a purity, how to read it off the chromaticity diagram, why purples need a complementary wavelength, and how dominant differs from peak wavelength. Colorimetry https://auricartisan.com/library/learn/articles/2026-08-10-chromatic-acuity-detail-in-brightness https://auricartisan.com/library/learn/articles/2026-08-10-chromatic-acuity-detail-in-brightness Mon, 10 Aug 2026 00:00:00 GMT An interactive guide to chromatic acuity: why the eye resolves fine detail in brightness but blurs color, why an equal-luminance edge looks fuzzy, and how video and JPEG throw away most color data with chroma subsampling and no one notices. Vision https://auricartisan.com/library/learn/articles/2026-08-09-security-printing-color-tricks https://auricartisan.com/library/learn/articles/2026-08-09-security-printing-color-tricks Sun, 09 Aug 2026 00:00:00 GMT An interactive guide to the color science of security printing: optically variable inks that shift hue with angle, UV-fluorescent hidden features, microprinting that defeats copiers, and how these color tricks separate genuine banknotes from fakes. Print https://auricartisan.com/library/learn/articles/2026-08-08-grayscale-the-many-ways-to-remove-color https://auricartisan.com/library/learn/articles/2026-08-08-grayscale-the-many-ways-to-remove-color Sat, 08 Aug 2026 00:00:00 GMT An interactive guide to grayscale conversion: the many different ways to turn color into gray, why luminosity weights green most heavily, how equal-luminance colors vanish in black and white, and why gamma-correct conversion matters. Foundations https://auricartisan.com/library/learn/articles/2026-08-07-color-rendering-and-cri https://auricartisan.com/library/learn/articles/2026-08-07-color-rendering-and-cri Fri, 07 Aug 2026 00:00:00 GMT An interactive guide to color rendering and CRI: why two lights that both look white can make the same object look completely different, how a reference spectrum defines fidelity, why gaps in a spectrum dull colors, and how the Color Rendering Index scores it. Colorimetry https://auricartisan.com/library/learn/articles/2026-08-06-color-trends-and-forecasting https://auricartisan.com/library/learn/articles/2026-08-06-color-trends-and-forecasting Thu, 06 Aug 2026 00:00:00 GMT An interactive guide to color trends and forecasting: a quarter-century of Pantone Colors of the Year, how a color trend rises and fades, how forecasters build coherent seasonal palettes, and how a bold runway color is toned down for retail. Design https://auricartisan.com/library/learn/articles/2026-08-05-optical-mixing-and-pointillism https://auricartisan.com/library/learn/articles/2026-08-05-optical-mixing-and-pointillism Wed, 05 Aug 2026 00:00:00 GMT An interactive guide to optical (partitive) color mixing: how the eye blends tiny adjacent colors at a distance, how it differs from additive and subtractive mixing, the science behind pointillism and halftone printing, and why your screen already uses it. Foundations https://auricartisan.com/library/learn/articles/2026-08-04-the-perception-of-transparency https://auricartisan.com/library/learn/articles/2026-08-04-the-perception-of-transparency Tue, 04 Aug 2026 00:00:00 GMT An interactive guide to perceptual transparency: how the visual system decides a region is see-through, Metelli's transparency rules and scission, the role of X-junctions, the contrast-and-tint signature of a filter, and transparent versus translucent versus opaque. Vision https://auricartisan.com/library/learn/articles/2026-08-03-simultaneous-contrast-color-depends-on-neighbors https://auricartisan.com/library/learn/articles/2026-08-03-simultaneous-contrast-color-depends-on-neighbors Mon, 03 Aug 2026 00:00:00 GMT An interactive guide to simultaneous contrast: why an identical color looks different against different surrounds, chromatic induction toward the complement, the difference between contrast and assimilation, and how one color can look like two. Foundations https://auricartisan.com/library/learn/articles/2026-08-02-color-in-real-time-3d-albedo-pbr-tone-mapping https://auricartisan.com/library/learn/articles/2026-08-02-color-in-real-time-3d-albedo-pbr-tone-mapping Sun, 02 Aug 2026 00:00:00 GMT An interactive guide to color in real-time 3D rendering: albedo versus the lit pixel, why lighting must be computed in linear light, energy conservation and metalness in physically based rendering, and tone mapping HDR down to a display. Digital https://auricartisan.com/library/learn/articles/2026-08-01-overprint-trapping-and-registration https://auricartisan.com/library/learn/articles/2026-08-01-overprint-trapping-and-registration Sat, 01 Aug 2026 00:00:00 GMT An interactive guide to prepress color mechanics: how the four CMYK plates register, what misregistration does, how trapping (chokes and spreads) hides gaps, the difference between overprint and knockout, and what inks make when they stack. Print https://auricartisan.com/library/learn/articles/2026-07-31-measuring-white-whiteness-and-yellowness-indices https://auricartisan.com/library/learn/articles/2026-07-31-measuring-white-whiteness-and-yellowness-indices Fri, 31 Jul 2026 00:00:00 GMT An interactive guide to measuring white: the CIE Whiteness index and Tint, the ASTM Yellowness Index, why adding a touch of blue makes something measure whiter, and how optical brighteners exploit UV to push whiteness past 100. Colorimetry https://auricartisan.com/library/learn/articles/2026-07-30-color-at-depth-why-the-underwater-world-is-blue https://auricartisan.com/library/learn/articles/2026-07-30-color-at-depth-why-the-underwater-world-is-blue Thu, 30 Jul 2026 00:00:00 GMT An interactive guide to color underwater: how water absorbs sunlight wavelength by wavelength, why red vanishes first and the deep sea turns blue, how objects lose their color with depth, why a dive light brings color back, and how water type changes the hue. Physics https://auricartisan.com/library/learn/articles/2026-07-29-color-in-wayfinding-and-environmental-design https://auricartisan.com/library/learn/articles/2026-07-29-color-in-wayfinding-and-environmental-design Wed, 29 Jul 2026 00:00:00 GMT An interactive guide to color in wayfinding and environmental design: building maximally distinct transit and zone palettes, checking them for color-blind confusability, sign legibility at a distance, and why color must be paired with shape and text. Design https://auricartisan.com/library/learn/articles/2026-07-28-the-evolution-of-color-vision https://auricartisan.com/library/learn/articles/2026-07-28-the-evolution-of-color-vision Tue, 28 Jul 2026 00:00:00 GMT An interactive guide to how color vision evolved: the tetrachromat ancestor, the mammalian dichromat bottleneck, the primate regain of a third cone, the fruit-finding advantage, the L/M gene duplication and X-linkage, and why color blindness is common in men. Vision https://auricartisan.com/library/learn/articles/2026-07-27-gcr-ucr-and-ink-limits https://auricartisan.com/library/learn/articles/2026-07-27-gcr-ucr-and-ink-limits Mon, 27 Jul 2026 00:00:00 GMT An interactive guide to black generation in CMYK printing: gray component replacement (GCR), under color removal (UCR), black generation curves, total area coverage (TAC) ink limits, and rich black versus registration-safe black. Print https://auricartisan.com/library/learn/articles/2026-07-26-the-standard-observer-2-vs-10-degree https://auricartisan.com/library/learn/articles/2026-07-26-the-standard-observer-2-vs-10-degree Sun, 26 Jul 2026 00:00:00 GMT An interactive guide to the CIE standard observer: the color-matching experiment behind the color matching functions, why some primaries go negative, the 1931 2-degree versus 1964 10-degree observers, field size and macular pigment, and observer metamerism. Colorimetry https://auricartisan.com/library/learn/articles/2026-07-25-chromatic-aberration-and-color-fringing https://auricartisan.com/library/learn/articles/2026-07-25-chromatic-aberration-and-color-fringing Sat, 25 Jul 2026 00:00:00 GMT An interactive guide to chromatic aberration: why lenses split color, dispersion and refractive index, longitudinal versus lateral CA, purple and green fringing at high-contrast edges, and how software and lens design correct it. Physics https://auricartisan.com/library/learn/articles/2026-07-24-primary-colors-and-color-wheels https://auricartisan.com/library/learn/articles/2026-07-24-primary-colors-and-color-wheels Fri, 24 Jul 2026 00:00:00 GMT An interactive guide to primary colors and color wheels: why there is no single set of 'true' primaries, how the RYB artist wheel, the RGB light wheel, and perceptual wheels differ, why complements and mixing disagree, and how harmony geometry changes with the wheel. Foundations https://auricartisan.com/library/learn/articles/2026-07-23-dot-gain-and-tone-reproduction-on-press https://auricartisan.com/library/learn/articles/2026-07-23-dot-gain-and-tone-reproduction-on-press Thu, 23 Jul 2026 00:00:00 GMT An interactive guide to dot gain and tone reproduction in print: why halftone dots print larger than intended, mechanical versus optical gain, the midtone-peaked TVI curve, how paper and screen ruling change it, and how compensation curves fix it. Print https://auricartisan.com/library/learn/articles/2026-07-22-color-difference-tolerances-and-pass-fail-qc https://auricartisan.com/library/learn/articles/2026-07-22-color-difference-tolerances-and-pass-fail-qc Wed, 22 Jul 2026 00:00:00 GMT An interactive guide to color difference in production: ΔE explained and compared, setting pass/fail tolerances, perceptibility versus acceptability, why tolerance regions are ellipses not spheres, and how color QC actually works. Colorimetry https://auricartisan.com/library/learn/articles/2026-07-21-memory-color-and-preferred-reproduction https://auricartisan.com/library/learn/articles/2026-07-21-memory-color-and-preferred-reproduction Tue, 21 Jul 2026 00:00:00 GMT An interactive guide to memory color and preferred reproduction: why we remember grass greener and skies bluer than they measure, how familiar-object colors anchor perception, and why cameras and displays deliberately render color 'better' than accurate. Vision https://auricartisan.com/library/learn/articles/2026-07-20-emission-neon-leds-gas-discharge-light https://auricartisan.com/library/learn/articles/2026-07-20-emission-neon-leds-gas-discharge-light Mon, 20 Jul 2026 00:00:00 GMT An interactive guide to light that makes its own color: emission line spectra, gas-discharge tubes like neon and sodium, how white LEDs use a blue pump and phosphor, and why a source's spectrum decides how colors render (CRI). Physics https://auricartisan.com/library/learn/articles/2026-07-19-color-grading-and-luts https://auricartisan.com/library/learn/articles/2026-07-19-color-grading-and-luts Sun, 19 Jul 2026 00:00:00 GMT An interactive guide to color grading and LUTs: lift/gamma/gain, the teal-and-orange look, primary and secondary grading, 3D lookup tables and trilinear interpolation, and why colorists grade in log. Digital https://auricartisan.com/library/learn/articles/2026-07-18-skin-tones-and-inclusive-color https://auricartisan.com/library/learn/articles/2026-07-18-skin-tones-and-inclusive-color Sat, 18 Jul 2026 00:00:00 GMT An interactive guide to skin color and inclusive design: what gives skin its tone, melanin and hemoglobin, the Fitzpatrick and Monk scales, the ITA dermatology metric, camera and lighting bias, and designing color that works for every skin tone. Design https://auricartisan.com/library/learn/articles/2026-07-17-color-quantization-and-dithering https://auricartisan.com/library/learn/articles/2026-07-17-color-quantization-and-dithering Fri, 17 Jul 2026 00:00:00 GMT An interactive guide to color quantization and dithering: posterization and banding, choosing a palette, ordered (Bayer) dithering, Floyd-Steinberg error diffusion, and reducing an image to an indexed palette. Digital https://auricartisan.com/library/learn/articles/2026-07-16-color-in-css-modern-color-in-the-browser https://auricartisan.com/library/learn/articles/2026-07-16-color-in-css-modern-color-in-the-browser Thu, 16 Jul 2026 00:00:00 GMT An interactive guide to modern CSS color: color-mix(), relative color syntax, the color() function, oklch() and oklab(), wide-gamut Display-P3, and how browsers gamut-map colors that are too vivid for sRGB. Digital https://auricartisan.com/library/learn/articles/2026-07-15-black-white-and-gray-achromatic-colors https://auricartisan.com/library/learn/articles/2026-07-15-black-white-and-gray-achromatic-colors Wed, 15 Jul 2026 00:00:00 GMT A deep, interactive guide to the achromatic colors: black, white, and gray. Perceptual lightness versus linear, the myth of middle gray, why black and white are relative, tinted neutrals, and using neutrals as the backbone of design. Foundations https://auricartisan.com/library/learn/articles/2026-07-14-tetrachromacy-and-the-range-of-human-color-vision https://auricartisan.com/library/learn/articles/2026-07-14-tetrachromacy-and-the-range-of-human-color-vision Tue, 14 Jul 2026 00:00:00 GMT A deep, interactive guide to variation in human color vision: anomalous trichromacy, potential tetrachromacy, the huge differences in cone ratios between people, why color naming stays stable anyway, and how observers disagree on unique hues. Vision https://auricartisan.com/library/learn/articles/2026-07-13-color-in-typography-and-text https://auricartisan.com/library/learn/articles/2026-07-13-color-in-typography-and-text Mon, 13 Jul 2026 00:00:00 GMT A deep, interactive guide to color in typography: readable body-text contrast, why pure black on white can be harsh, the risk of colored body text, link colors and the underline cue, and building legible syntax-highlighting themes. Design https://auricartisan.com/library/learn/articles/2026-07-12-diffraction-and-diffraction-gratings https://auricartisan.com/library/learn/articles/2026-07-12-diffraction-and-diffraction-gratings Sun, 12 Jul 2026 00:00:00 GMT A deep, interactive guide to diffraction and diffraction gratings: how periodic structures split white light into a spectrum, the grating equation, why a CD and DVD make rainbows, diffraction orders, and how gratings differ from a prism. Physics https://auricartisan.com/library/learn/articles/2026-07-11-white-points-chromatic-adaptation-transforms https://auricartisan.com/library/learn/articles/2026-07-11-white-points-chromatic-adaptation-transforms Sat, 11 Jul 2026 00:00:00 GMT A deep, interactive guide to white points and chromatic adaptation transforms: reference white points (D50, D65, A), the von Kries cone-scaling model, the Bradford and CAT02 transforms, and how color management adapts color between illuminants. Colorimetry https://auricartisan.com/library/learn/articles/2026-07-10-color-on-textiles-dyeing-and-printing https://auricartisan.com/library/learn/articles/2026-07-10-color-on-textiles-dyeing-and-printing Fri, 10 Jul 2026 00:00:00 GMT A deep, interactive guide to color on textiles: dyeing versus pigment printing, how fiber type changes color uptake, wash, light, and rub (crock) fastness, depth of shade, and rotary screen versus digital textile printing. Print https://auricartisan.com/library/learn/articles/2026-07-09-digital-printing-inkjet-toner-offset https://auricartisan.com/library/learn/articles/2026-07-09-digital-printing-inkjet-toner-offset Thu, 09 Jul 2026 00:00:00 GMT A deep, interactive guide to printing technologies: offset lithography, inkjet (dye and pigment, drop-on-demand), toner electrophotography, and dye-sublimation - how each lays down color, their dot structures, gamut and lightfastness, and the run-length economics of digital versus offset. Print https://auricartisan.com/library/learn/articles/2026-07-08-lightfastness-and-fade https://auricartisan.com/library/learn/articles/2026-07-08-lightfastness-and-fade Wed, 08 Jul 2026 00:00:00 GMT A deep, interactive guide to lightfastness and fading: why pigments fade, the Blue Wool and ASTM lightfastness scales, what accelerates fade (UV, sun, humidity, ozone), fugitive versus archival colorants, and how to make printed and painted color last. Print https://auricartisan.com/library/learn/articles/2026-07-07-color-vision-across-the-lifespan https://auricartisan.com/library/learn/articles/2026-07-07-color-vision-across-the-lifespan Tue, 07 Jul 2026 00:00:00 GMT A deep, interactive guide to how color vision changes with age: infant color development, the yellowing of the lens, declining blue discrimination, why older eyes need more light, and designing color for every age. Vision https://auricartisan.com/library/learn/articles/2026-07-06-the-color-solid-3d https://auricartisan.com/library/learn/articles/2026-07-06-the-color-solid-3d Mon, 06 Jul 2026 00:00:00 GMT A deep, interactive guide to the color solid: why color is three-dimensional, the RGB cube, the HSL cylinder and HSV cone, the CIELAB solid, slicing the solid, and the object-color solid that explains why real gamuts taper at black and white. Foundations https://auricartisan.com/library/learn/articles/2026-07-05-semantic-color-status-states-feedback https://auricartisan.com/library/learn/articles/2026-07-05-semantic-color-status-states-feedback Sun, 05 Jul 2026 00:00:00 GMT A deep, interactive guide to semantic color in interfaces: success, warning, error, info and neutral roles, interactive states (hover, active, disabled, focus), status indicators, accessible feedback components, and never relying on color alone. Design https://auricartisan.com/library/learn/articles/2026-07-04-thin-film-interference-and-iridescence https://auricartisan.com/library/learn/articles/2026-07-04-thin-film-interference-and-iridescence Sat, 04 Jul 2026 00:00:00 GMT A deep, interactive guide to thin-film interference and iridescence: how soap bubbles, oil slicks, and beetle wings make color from wave interference, why the color depends on film thickness and viewing angle, anti-reflection coatings, and structural versus pigment color. Physics https://auricartisan.com/library/learn/articles/2026-07-03-warm-and-cool-colors https://auricartisan.com/library/learn/articles/2026-07-03-warm-and-cool-colors Fri, 03 Jul 2026 00:00:00 GMT A deep, interactive guide to warm and cool colors: the warm-cool axis of the color wheel, why warm colors advance and cool colors recede, relative warmth and temperature contrast, the temperature of neutrals and grays, and using color temperature in design. Foundations https://auricartisan.com/library/learn/articles/2026-07-02-afterimages-and-the-opponent-process https://auricartisan.com/library/learn/articles/2026-07-02-afterimages-and-the-opponent-process Thu, 02 Jul 2026 00:00:00 GMT A deep, interactive guide to color afterimages: negative and positive afterimages, the opponent-process theory behind them, chromatic adaptation and receptor fatigue, complementary afterimage colors, and the famous staring illusions - explained and demonstrated. Vision https://auricartisan.com/library/learn/articles/2026-07-01-color-proofing-soft-and-hard-proofs https://auricartisan.com/library/learn/articles/2026-07-01-color-proofing-soft-and-hard-proofs Wed, 01 Jul 2026 00:00:00 GMT A deep, interactive guide to color proofing: soft proofing on a calibrated display, paper-white and black-point simulation, gamut warnings, rendering intents for proofing, hard and contract proofs, and verifying a proof with delta-E tolerances. Print https://auricartisan.com/library/learn/articles/2026-06-30-polarization-and-color https://auricartisan.com/library/learn/articles/2026-06-30-polarization-and-color Tue, 30 Jun 2026 00:00:00 GMT A deep, interactive guide to how polarization makes and reveals color: linear polarization and Malus's law, photoelastic stress colors and birefringence, why the sky is polarized, polarizing camera filters and sunglasses, and how an LCD turns polarization into a picture. Physics https://auricartisan.com/library/learn/articles/2026-06-29-vocabulary-of-color-hue-saturation-value https://auricartisan.com/library/learn/articles/2026-06-29-vocabulary-of-color-hue-saturation-value Mon, 29 Jun 2026 00:00:00 GMT A deep, interactive guide to the words we use for color: hue, saturation, chroma, colorfulness, lightness, brightness, value, and the artist's tint, tone, and shade - with the precise distinctions that trip everyone up. Foundations https://auricartisan.com/library/learn/articles/2026-06-28-fluorescence-phosphorescence-optical-brighteners https://auricartisan.com/library/learn/articles/2026-06-28-fluorescence-phosphorescence-optical-brighteners Sun, 28 Jun 2026 00:00:00 GMT A deep, interactive guide to luminescence in color: fluorescence and the Stokes shift, phosphorescence and glow-in-the-dark decay, optical brightening agents in paper and detergent, why fluorescent colors look brighter than white, and how all this breaks color measurement. Physics https://auricartisan.com/library/learn/articles/2026-06-27-vision-in-dim-light-rods-purkinje https://auricartisan.com/library/learn/articles/2026-06-27-vision-in-dim-light-rods-purkinje Sat, 27 Jun 2026 00:00:00 GMT A deep, interactive guide to low-light color vision: rods vs cones, photopic, mesopic, and scotopic vision, the photopic and scotopic luminosity functions, the Purkinje shift, dark adaptation, and why peripheral vision sees better in the dark. Vision https://auricartisan.com/library/learn/articles/2026-06-26-spot-colors-duotones-specialty-inks https://auricartisan.com/library/learn/articles/2026-06-26-spot-colors-duotones-specialty-inks Fri, 26 Jun 2026 00:00:00 GMT A deep, interactive guide to spot colors and specialty printing: why a spot ink beats CMYK process for an exact color, duotones and tritones, metallic and fluorescent inks, spot varnish, white ink and printing on colored stock, and extended-gamut printing. Print https://auricartisan.com/library/learn/articles/2026-06-25-additive-and-subtractive-color-mixing https://auricartisan.com/library/learn/articles/2026-06-25-additive-and-subtractive-color-mixing Thu, 25 Jun 2026 00:00:00 GMT A deep, interactive guide to color mixing: additive mixing of light (RGB), subtractive mixing of inks and filters (CMY), why their primaries and results differ, partitive optical mixing, and how screens, printing, and the eye each combine color. Foundations https://auricartisan.com/library/learn/articles/2026-06-24-halftones-and-screening https://auricartisan.com/library/learn/articles/2026-06-24-halftones-and-screening Wed, 24 Jun 2026 00:00:00 GMT A deep, interactive guide to halftoning and screening: how continuous tone becomes dots, line screen (LPI), screen angles, AM vs FM (stochastic) screening, dot gain and tone value increase, rosettes and moire, and total ink limits in CMYK printing. Print https://auricartisan.com/library/learn/articles/2026-06-23-color-in-branding-and-identity https://auricartisan.com/library/learn/articles/2026-06-23-color-in-branding-and-identity Tue, 23 Jun 2026 00:00:00 GMT A deep, interactive guide to color in branding: choosing a distinctive, ownable brand color, color and recognition, the one-color reduction test, specifying color across screen and print, brand palettes and roles, flexibility vs consistency, and accessibility in brand color. Design https://auricartisan.com/library/learn/articles/2026-06-22-camera-color-from-photons-to-pixels https://auricartisan.com/library/learn/articles/2026-06-22-camera-color-from-photons-to-pixels Mon, 22 Jun 2026 00:00:00 GMT A deep, interactive guide to how a camera makes color: the Bayer color filter array, demosaicing, white balance gains, the camera color matrix and profiles, raw vs JPEG, highlight recovery, and the full sensor-to-image color pipeline. Digital https://auricartisan.com/library/learn/articles/2026-06-21-color-appearance-models-ciecam https://auricartisan.com/library/learn/articles/2026-06-21-color-appearance-models-ciecam Sun, 21 Jun 2026 00:00:00 GMT A deep, interactive guide to color appearance models: why CIELAB is not enough, the CIECAM appearance correlates (lightness, brightness, chroma, colorfulness, saturation, hue), chromatic adaptation, the Hunt and Stevens effects, the surround effect, and where appearance models are used. Colorimetry https://auricartisan.com/library/learn/articles/2026-06-20-color-in-nature-sky-rainbows-atmosphere https://auricartisan.com/library/learn/articles/2026-06-20-color-in-nature-sky-rainbows-atmosphere Sat, 20 Jun 2026 00:00:00 GMT A deep, interactive guide to color in nature: Rayleigh scattering and why the sky is blue, why sunsets are red, how rainbows form at 42 degrees, Mie scattering and why clouds are white, and the atmospheric phenomena behind blue hour, the green flash, and blood moons. Physics https://auricartisan.com/library/learn/articles/2026-06-19-color-in-film-and-video https://auricartisan.com/library/learn/articles/2026-06-19-color-in-film-and-video Fri, 19 Jun 2026 00:00:00 GMT A deep, interactive guide to color in film and video: log encoding and why footage looks flat, LUTs, the lift/gamma/gain color-grading model, primary vs secondary grading, Rec.709 vs Rec.2020 vs DCI-P3, and the camera-to-delivery color pipeline including ACES. Digital https://auricartisan.com/library/learn/articles/2026-06-18-color-naming-and-categorical-perception https://auricartisan.com/library/learn/articles/2026-06-18-color-naming-and-categorical-perception Thu, 18 Jun 2026 00:00:00 GMT A deep, interactive guide to color naming and categorical perception: how languages divide the spectrum, Berlin and Kay's basic color terms, the Russian two blues and Himba studies, why category boundaries are fuzzy, and how naming subtly shapes how we see color. Foundations https://auricartisan.com/library/learn/articles/2026-06-17-gamut-mapping-clipping-and-rendering-intents https://auricartisan.com/library/learn/articles/2026-06-17-gamut-mapping-clipping-and-rendering-intents Wed, 17 Jun 2026 00:00:00 GMT A deep, interactive guide to gamut mapping: what a gamut is, in-gamut vs out-of-gamut color, clipping vs perceptual compression, the four ICC rendering intents, why naive RGB clipping shifts hue, and how to map color between spaces without wrecking it. Colorimetry https://auricartisan.com/library/learn/articles/2026-06-16-building-a-color-system-scales-tokens-themes https://auricartisan.com/library/learn/articles/2026-06-16-building-a-color-system-scales-tokens-themes Tue, 16 Jun 2026 00:00:00 GMT A deep, interactive guide to building a color system: tonal scales (50-950), perceptual lightness ramps, primitive vs semantic design tokens, neutral/primary/accent hues, contrast-checked pairs, and light and dark themes from one token map. Design https://auricartisan.com/library/learn/articles/2026-06-15-bit-depth-channels-and-alpha https://auricartisan.com/library/learn/articles/2026-06-15-bit-depth-channels-and-alpha Mon, 15 Jun 2026 00:00:00 GMT A deep, interactive guide to how color is stored: bit depth and levels, why low bit depth bands, RGB channels and luminance, the alpha channel and compositing, premultiplied vs straight alpha, indexed color and quantization, and 8 vs 10 vs 16-bit and float bit budgets. Digital https://auricartisan.com/library/learn/articles/2026-06-14-animal-and-non-human-color-vision https://auricartisan.com/library/learn/articles/2026-06-14-animal-and-non-human-color-vision Sun, 14 Jun 2026 00:00:00 GMT A deep, interactive guide to animal color vision: how many photoreceptor types different species have, dichromatic mammals, tetrachromatic birds, ultraviolet vision in bees, why more receptors does not mean more colors (the mantis shrimp), and how ecology shapes color vision. Vision https://auricartisan.com/library/learn/articles/2026-06-13-how-colorants-work-pigments-dyes-structural-color https://auricartisan.com/library/learn/articles/2026-06-13-how-colorants-work-pigments-dyes-structural-color Sat, 13 Jun 2026 00:00:00 GMT A deep, interactive guide to how colorants work: selective absorption, pigments vs dyes, why blue and yellow paint make green, the Beer-Lambert law of concentration, structural color and iridescence, and other color mechanisms like fluorescence and scattering. Physics https://auricartisan.com/library/learn/articles/2026-06-12-print-substrates-and-finishing https://auricartisan.com/library/learn/articles/2026-06-12-print-substrates-and-finishing Fri, 12 Jun 2026 00:00:00 GMT A deep, interactive guide to how the substrate and finishing shape print color: paper white, brightness and optical brighteners, coated vs uncoated stock, dot gain and ink holdout, how the substrate sets the gamut, special inks, and finishes like varnish, lamination, and foil. Print https://auricartisan.com/library/learn/articles/2026-06-11-dark-mode-and-adaptive-color https://auricartisan.com/library/learn/articles/2026-06-11-dark-mode-and-adaptive-color Thu, 11 Jun 2026 00:00:00 GMT A deep, interactive guide to dark mode and adaptive color: why dark mode is not an inversion, semantic color tokens, surface elevation, why to avoid pure black and pure white, adapting accent colors for dark backgrounds, WCAG contrast in both themes, and implementing themes with CSS variables. Design https://auricartisan.com/library/learn/articles/2026-06-10-color-illusions-and-perception https://auricartisan.com/library/learn/articles/2026-06-10-color-illusions-and-perception Wed, 10 Jun 2026 00:00:00 GMT An advanced interactive guide to color illusions: afterimages, simultaneous contrast, Munker assimilation, color constancy, identical color reveals, and a combined perception model. Vision https://auricartisan.com/library/learn/articles/2026-06-09-color-order-systems-munsell-ncs-pantone-ral https://auricartisan.com/library/learn/articles/2026-06-09-color-order-systems-munsell-ncs-pantone-ral Tue, 09 Jun 2026 00:00:00 GMT A deep, interactive guide to color order and notation systems: Munsell hue/value/chroma, the Natural Color System (NCS), Pantone spot colors, and RAL - what each one is for, how their notations work, how they relate to measured CIE color, and when to use which. Foundations https://auricartisan.com/library/learn/articles/2026-06-08-color-temperature-and-white-balance https://auricartisan.com/library/learn/articles/2026-06-08-color-temperature-and-white-balance Mon, 08 Jun 2026 00:00:00 GMT A deep, interactive guide to color temperature and white balance: the Kelvin scale and blackbody radiation, why high Kelvin looks cool and low looks warm, correlated color temperature and the Planckian locus, tint and duv, white balance in cameras, mireds, and display white points like D65 and D50. Physics https://auricartisan.com/library/learn/articles/2026-06-07-color-gradients-and-interpolation https://auricartisan.com/library/learn/articles/2026-06-07-color-gradients-and-interpolation Sun, 07 Jun 2026 00:00:00 GMT A deep, interactive guide to color gradients and interpolation: color spaces, gamma-correct blending, OKLCH hue paths, easing, stops, banding, dithering, and production CSS. Digital https://auricartisan.com/library/learn/articles/2026-06-06-color-psychology-and-meaning https://auricartisan.com/library/learn/articles/2026-06-06-color-psychology-and-meaning Sat, 06 Jun 2026 00:00:00 GMT A deep, interactive guide to color psychology: where color associations come from, common Western meanings hue by hue, how meaning shifts across cultures, why saturation and lightness matter more than hue for mood, color in branding, and the myths to avoid. Design https://auricartisan.com/library/learn/articles/2026-06-05-color-in-data-visualization https://auricartisan.com/library/learn/articles/2026-06-05-color-in-data-visualization Fri, 05 Jun 2026 00:00:00 GMT A deep, interactive guide to color in data visualization: sequential, diverging, and categorical scales, perceptual uniformity, why the rainbow (jet) colormap misleads and viridis does not, colorblind-safe palettes, legends, and redundant encoding. Design https://auricartisan.com/library/learn/articles/2026-06-04-color-theory-and-harmony https://auricartisan.com/library/learn/articles/2026-06-04-color-theory-and-harmony Thu, 04 Jun 2026 00:00:00 GMT A deep, interactive guide to color theory and harmony: the color wheel, hue/saturation/lightness, tints, shades and tones, warm and cool color, and the complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic schemes - with the 60-30-10 rule and how it maps to code. Design https://auricartisan.com/library/learn/articles/2026-06-03-cmyk-four-color-printing-process https://auricartisan.com/library/learn/articles/2026-06-03-cmyk-four-color-printing-process Wed, 03 Jun 2026 00:00:00 GMT A deep, interactive guide to CMYK and four-color process printing: subtractive color mixing, why there is a black plate, halftoning and screen angles, dot gain, RGB to CMYK gamut, total ink limits, and spot colors. Print https://auricartisan.com/library/learn/articles/2026-06-02-oklab-oklch-perceptual-color-spaces https://auricartisan.com/library/learn/articles/2026-06-02-oklab-oklch-perceptual-color-spaces Tue, 02 Jun 2026 00:00:00 GMT A deep, interactive guide to Oklab and Oklch: why they were created, the LMS-based math, hue constancy, perceptual lightness, gradient interpolation, gamut mapping, and using oklch() in CSS Color 4. Colorimetry https://auricartisan.com/library/learn/articles/2026-06-01-hsl-hsv-hsb-color-models https://auricartisan.com/library/learn/articles/2026-06-01-hsl-hsv-hsb-color-models Mon, 01 Jun 2026 00:00:00 GMT A deep, interactive guide to the cylindrical color models: HSL, HSV (HSB), and HWB. Hue, saturation, lightness vs value, the conversion math from RGB, the color wheel, where the models fall short, and how to use them in CSS and design. Digital https://auricartisan.com/library/learn/articles/2026-05-26-delta-e-metrics-cie76-ciede2000-itp https://auricartisan.com/library/learn/articles/2026-05-26-delta-e-metrics-cie76-ciede2000-itp Tue, 26 May 2026 00:00:00 GMT A deep, interactive guide to color difference formulas: CIE76, CMC, CIE94, CIEDE2000, ΔEITP for HDR, and Oklab. Math, JND thresholds, tolerance bands, and how to choose between them. Colorimetry https://auricartisan.com/library/learn/articles/2026-05-25-end-to-end-color-management-workflow https://auricartisan.com/library/learn/articles/2026-05-25-end-to-end-color-management-workflow Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to the full color management workflow: capture, raw conversion, working space, edit, soft proofing, output, web/print/video delivery, handoff, archival, and the pitfalls at every stage. Digital https://auricartisan.com/library/learn/articles/2026-05-25-gamma-linear-light-transfer-functions https://auricartisan.com/library/learn/articles/2026-05-25-gamma-linear-light-transfer-functions Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to gamma encoding, linear-light values, and the transfer functions that link them: sRGB, gamma 2.2 and 2.4, BT.1886, ProPhoto 1.8, PQ, HLG; why blending and compositing must happen in linear space; bit-budget implications; and the most common gamma bugs. Digital https://auricartisan.com/library/learn/articles/2026-05-25-hdr-wide-gamut-pq-hlg-modern-displays https://auricartisan.com/library/learn/articles/2026-05-25-hdr-wide-gamut-pq-hlg-modern-displays Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to HDR and wide-gamut imaging: SDR vs HDR fundamentals, the PQ and HLG transfer functions, HDR10 / HDR10+ / Dolby Vision / HLG formats, Rec.2020 vs Display P3 gamut volume, modern display technologies, HDR metadata, tone mapping, and authoring. Digital https://auricartisan.com/library/learn/articles/2026-05-25-how-to-calibrate-and-profile-a-display https://auricartisan.com/library/learn/articles/2026-05-25-how-to-calibrate-and-profile-a-display Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to display calibration and profiling: targets (white point, luminance, gamma), measurement instruments, the procedure step by step, ΔE validation, hardware vs software calibration, drift, OS integration, and common mistakes. Digital https://auricartisan.com/library/learn/articles/2026-05-25-icc-profiles-color-management https://auricartisan.com/library/learn/articles/2026-05-25-icc-profiles-color-management Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to ICC profiles: the Profile Connection Space (PCS) at D50, profile classes, the five rendering intents, black point compensation, ICC v2 vs v4, the CMM pipeline, profile creation, and the most common color-management bugs. Digital https://auricartisan.com/library/learn/articles/2026-05-25-metamerism https://auricartisan.com/library/learn/articles/2026-05-25-metamerism Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to metamerism: how two different spectra can match under one observer or illuminant and diverge under another. Illuminant, observer, field-size, and geometric metamerism, with the math, the demos, and the practical mitigations. Colorimetry https://auricartisan.com/library/learn/articles/2026-05-25-rgb-working-spaces-compared https://auricartisan.com/library/learn/articles/2026-05-25-rgb-working-spaces-compared Mon, 25 May 2026 00:00:00 GMT A deep, interactive comparison of the major RGB working spaces: sRGB, Adobe RGB, ProPhoto, Display P3, DCI-P3, Rec.709, and Rec.2020 - primaries, white points, transfer functions, bit depth, and conversion matrices. Digital https://auricartisan.com/library/learn/articles/2026-05-25-spectrophotometers-colorimeters-spectroradiometers https://auricartisan.com/library/learn/articles/2026-05-25-spectrophotometers-colorimeters-spectroradiometers Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to color measurement instruments: spectrophotometers, colorimeters, spectroradiometers, measurement geometries (45/0, d/8), SCI vs SCE, traceability, repeatability, UV handling, and common errors. Digital https://auricartisan.com/library/learn/articles/2026-05-25-wcag-contrast-accessible-color https://auricartisan.com/library/learn/articles/2026-05-25-wcag-contrast-accessible-color Mon, 25 May 2026 00:00:00 GMT A deep, interactive guide to accessible color design: WCAG 2.x contrast ratios, the relative luminance formula, AA/AAA thresholds, non-text contrast, the move toward APCA, color vision deficiency considerations, and the principle of redundant encoding. Design https://auricartisan.com/library/learn/articles/2026-05-24-chromaticity-diagrams https://auricartisan.com/library/learn/articles/2026-05-24-chromaticity-diagrams Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to the CIE chromaticity diagram: the horseshoe, spectral locus, line of purples, white points, gamut triangles, Planckian locus, dominant wavelength, and the difference between xy and u'v' coordinates. Colorimetry https://auricartisan.com/library/learn/articles/2026-05-24-cie-xyz-explained https://auricartisan.com/library/learn/articles/2026-05-24-cie-xyz-explained Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to CIE XYZ: the 1931 Standard Observer, color matching functions, why imaginary primaries, tristimulus integration, xyY chromaticity, white points, XYZ↔RGB transforms, and why XYZ is the universal hub of modern color science. Colorimetry https://auricartisan.com/library/learn/articles/2026-05-24-cielab-and-lch-explained https://auricartisan.com/library/learn/articles/2026-05-24-cielab-and-lch-explained Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to CIELAB and LCh: the cube-root transformation from XYZ, the L*, a*, b* axes, polar lightness-chroma-hue coordinates, reference whites, ΔE difference metrics, and the modern Oklab alternative. Colorimetry https://auricartisan.com/library/learn/articles/2026-05-24-color-blindness-cvd https://auricartisan.com/library/learn/articles/2026-05-24-color-blindness-cvd Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to color vision deficiency: genetics, cone-pigment defects, dichromacy and anomalous trichromacy, Ishihara and anomaloscope testing, simulation, confusion lines, acquired CVD, and accessible design. Vision https://auricartisan.com/library/learn/articles/2026-05-24-color-constancy-adaptation https://auricartisan.com/library/learn/articles/2026-05-24-color-constancy-adaptation Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to color constancy: cone adaptation, retinex theory, chromatic adaptation transforms, simultaneous contrast, memory color, famous illusions, CIECAM, and the difference between human and camera white balance. Vision https://auricartisan.com/library/learn/articles/2026-05-24-history-of-color-science-newton-hering https://auricartisan.com/library/learn/articles/2026-05-24-history-of-color-science-newton-hering Sun, 24 May 2026 00:00:00 GMT A deep, interactive history of color science: Aristotle and Alhazen, Newton's prism, Goethe's protest, Young's trichromatic theory, Maxwell's color triangle, Helmholtz, Hering's opponent process, Munsell, and the CIE. Foundations https://auricartisan.com/library/learn/articles/2026-05-24-human-color-vision-cones-opponent https://auricartisan.com/library/learn/articles/2026-05-24-human-color-vision-cones-opponent Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to human color vision: retinal layers, phototransduction, the cone mosaic, receptive fields, ganglion cell types, LGN pathways, V1 double-opponent cells, V4, chromatic adaptation, and why color and detail are encoded separately. Vision https://auricartisan.com/library/learn/articles/2026-05-24-physics-of-light-wavelength-spectrum https://auricartisan.com/library/learn/articles/2026-05-24-physics-of-light-wavelength-spectrum Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to the physics of light: the electromagnetic spectrum, wavelength and frequency, photon energy, blackbody radiation, refraction, scattering, polarization, photometry, and the inverse square law. Physics https://auricartisan.com/library/learn/articles/2026-05-24-spectral-power-distributions https://auricartisan.com/library/learn/articles/2026-05-24-spectral-power-distributions Sun, 24 May 2026 00:00:00 GMT A deep, interactive guide to spectral power distributions: how light is actually shaped at each wavelength, the standard illuminants (D65, D50, A, F2, LED), tristimulus integration, metamerism, CRI, and the reasons three numbers cannot describe a full spectrum. Physics https://auricartisan.com/library/learn/articles/2026-05-04-what-color-is-and-how-humans-see-it https://auricartisan.com/library/learn/articles/2026-05-04-what-color-is-and-how-humans-see-it Mon, 04 May 2026 00:00:00 GMT An interactive, comprehensive guide to color: the physics of light, the biology of vision, photoreceptor science, trichromatic and opponent theories, color constancy, vision deficiency, and how standards emerged. Foundations