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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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

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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

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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

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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

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