Design tools Packages

CSS generic classes for on-the-fly adjustment of elements

See Stars • a lightweight set of utilities to take an sRGB or displayP3 color, and extract the CIE Y relative luminance, and then convert to CIE L* (perceptual lightness). Takes RGB colors as simple arrays (as created with colorParsley). Bonus utilities t

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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.

colorParsley() • a lightweight yet versatile color parsing function with no dependencies. Takes various color strings, numbers, or objects, and turns them into simple arrays. Bonus utilities colorToHex() and colorToRGB() included

Delta Phi Star is a general purpose method of determining perceptual lightness contrast developed by Andrew Somers (Myndex Research), and is a sibling of APCA and SACAM. It is a simplified method using easily invertible standardized maths, however it lack

A Bridge for WCAG_2 contrast using APCA (Advanced Perceptual Contrast Algorithm), technology.