contrast-color

Determines the best contrast color to use. Give it a background color and it returns a foreground color (black or white by default but customizable).

v1.0.1 URL: https://unpkg.com/contrast-color@1.0.1/lib/index.js

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accessibility background black bright brighten brightness chroma color colors contrast convert css dark darken font foreground hex hsl hsv light lightness luma luminosity rgb text wcag white yiq

color-luminance

bare-bones color luminance functions

v2.1.0 URL: https://unpkg.com/color-luminance@2.1.0/index.js

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color luma luminance brightness lightness rgb hsl hsv yuv gray grayscale grey greyscale

color-measure

Measure color characteristics

v1.0.1 URL: https://unpkg.com/color-measure@1.0.1/index.js

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color measure luma luminosity

safecolor

SafeColor generates accessible colors that compiles with WCAG success criteria 1.4.3 (or any contrast ratio of your choice). It can generate either a random color that is contrast safe with a given color, or a consistent color for a given string.

v1.0.1 URL: https://unpkg.com/safecolor@1.0.1/safecolor.js

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wacg contrast-ratio accessibility color string hex rgb hsl hci luminance luma

glsl-luma

Get the luma (brightness) of an RGB color in GLSL. Useful for converting images to greyscale

v1.0.1 URL: https://unpkg.com/glsl-luma@1.0.1/index.js

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glsl glslify grayscale greyscale luma brightness