apca topic
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apca repositories
a11y-color-contrast
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A TypeScript package to calculate WCAG 2.0/3.0 and APCA color contrasts
SAPC-APCA
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APCA (Accessible Perceptual Contrast Algorithm) is a new method for predicting contrast for use in emerging web standards (WCAG 3) for determining readability contrast. APCA is derived form the SAPC (...
apca-w3
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The APCA version, to be licensed for use with guidelines: W3/AGWG.
deltaphistar
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𝜟𝜱✴︎ or Delta Phi Star is a variant method of determining lightness contrast, and a sibling of APCA and SACAM. It is a simplified version using easily invertible standardized maths, however it lacks...
figma-polychrom
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Figma plugin for displaying the contrast level and font size recommendations according to the APCA method