contrast-ratio 开源项目推荐（76 个）

adobe /leonardo

Generate colors based on a desired contrast ratio

Boris-Em /ColorKit

Advanced color manipulation for iOS.

CoreyGinnivan /whocanuse

WhoCanUse is a tool that brings attention and understanding to how color contrast can affect different people with visual impairments.

vinaypillai /ac-colors

ac-colors is a reactive JavaScript color library that can freely convert between RGB, HSL, HEX, XYZ, LAB, LCHab, LUV, and LCHuv, as well as handle random color generation and contrast ratio calculation.

tomloprod /colority

Colority it's a PHP library that allows you to: transform and validate colors, obtain the best contrast color (using contrast ratio from WCAG 2.0 standard), extract colors from images and more.

Myndex /apca-w3

The APCA version, to be licensed for use with guidelines: W3/AGWG.

evilmartians /figma-polychrom

Figma plugin for displaying the contrast level and font size recommendations according to the APCA method

5t3ph /buttonbuddy

Learn about accessible button contrast then generate your own accessible button color palette

Asqatasun /Contrast-Finder

Contrast-Finder finds correct color contrasts (background / foreground) for web accessibility (a11y, WCAG, RGAA). https://app.contrast-finder.org

darekkay /a11y-contrast

A CLI utility to calculate/verify accessible magic numbers for a color palette.

romannurik /Sketch-Contrast

A Sketch plugin to show a pass/fail type contrast report.

thibaudcolas /kontrasto

🎨 Automated color contrast for text over images

alex-page /a11ycolor

🌈 Generate the nearest accessible color

incluud /color-contrast-checker

WCAG 2.2 color contrast validator with design system integration. Test accessibility compliance, generate OKLCH palettes, export CSS custom properties and Figma-compatible JSON tokens. Build with Astro.

alex-page /sass-a11ycolor

🌈 Generate the nearest accessible color with Sass.

moong23 /a11y-contrast-color

A utility library for calculating luminance, contrast ratio, and appropriate contrast colors to ensure web accessibility.

jessuni /SafeColor

Generate a consistent color from a string, or generate a random color from a given color. Both accessible, contrast safe, WCAG success criteria 1.4.3 compliant.

Myndex /max-contrast

Send it the background color, returns black or white whichever is maximum Lc value

chrs1885 /WCAG-Colors

Apple framework for calculating color contrast ratios, WCAG conformance, and high contrast color values (UIColor & NSColor).

lifeofmle /check-contrast

Allows you to select layers in Sketch and get realtime feedback about the contrast ratio