apca-w3

APCA: the Accessible Perceptual Contrast Algorithm, a modern contrast method that improves readability contrast on self-illuminated displays. Developed for the W3C's WCAG 3 and other standards.

v0.1.9 URL: https://unpkg.com/apca-w3@0.1.9/src/apca-w3.js

Open Browse Files

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

Open Browse Files

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

chromator

Library for converting colour codes and manipulating relative luminance and contrast ratio

v0.0.9 URL: https://unpkg.com/chromator@0.0.9/dist/index.js

Open Browse Files

colour color contrast contrast ratio luminance lightness brightness saturation hue chroma chromator colour conversion

@csstools/convert-colors

Convert colors between RGB, HEX, HSL, HWB, LAB, LCH, and more

v2.0.0 URL: https://unpkg.com/@csstools/convert-colors@2.0.0/index.js

Open Browse Files

colors contrast conversions converting converts hex hsl hsv hwb lab lch rgb xyz blue green red blackness hue lightness saturation whiteness cie ciede2000 contrast wcag

postcss-color-mod-function

Modify colors using the color-mod() function in CSS

v4.1.1 URL: https://unpkg.com/postcss-color-mod-function@4.1.1/index.cjs.js

Open Browse Files

postcss css postcss-plugin colors colours modifications mods adjusters adjustments csswg rgba hsla white black red green blue alpha hue saturation lightness whiteness blackness tint shade blenda contrast