blackmagic-js

A powerful dark mode framework with automatic color adjustment and contrast optimization
v1.0.0 URL: https://unpkg.com/blackmagic-js@1.0.0/dist/blackmagic.min.js
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dark-modethemecolor-adjustmentaccessibilitycontrastjavascriptuiframework

@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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colorscontrastconversionsconvertingconvertshexhslhsvhwblablchrgbxyzbluegreenredblacknesshuelightnesssaturationwhitenesscieciede2000contrastwcag

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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postcsscsspostcss-plugincolorscoloursmodificationsmodsadjustersadjustmentscsswgrgbahslawhiteblackredgreenbluealphahuesaturationlightnesswhitenessblacknesstintshadeblendacontrast

wcag-contrast

evaluate the wcag color contrast score for two colors
v3.0.0 URL: https://unpkg.com/wcag-contrast@3.0.0/dist/index.umd.js
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colorcontrastwcag

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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CSSHTMLPDFRTFsRGBRGBP3displayP3Adobe RGBLChLstarcolorcolourcontrastlightnessbrightnessluminanceluminance contrastlightness contrastperceptual contrastvisual contrastcolor contrastcolour contrasttext contrastAPCA contrastA11y contrastconstant contrastaccessible contrastreadability contrastreadabilityaccessibilitycontrast sensitivityspatial frequencyspacial frequencydesign toolsdesign systemsdesign guidelinestypographya11yW3CWCAGWCAG 2WCAG 3SACAMSAPCAPCA