Smarter defaults for colors on the web.
Automatically find the closest accessible color combination
Color combination contrast tester
SVG filter collection that emulate 8 types of color blindness.
An Elm-based prototype to help designers build accessible color palettes.
Find valid background / foreground color contrast for accessibility (a11y, WCAG)
Color utilities for macOS, iOS, tvOS, and watchOS
WCAG contrast ratio measurement and scoring
Contrast-Finder finds correct color contrasts (background / foreground) for web accessibility (a11y, WCAG, RGAA). https://app.contrast-finder.org
A Sketch plugin that calculates the color contrast of two selected layers and evaluates it against the WCAG2.0
Generate beautiful, accessible color palettes
Create high contrast version of your project with ease.
Check CSS for WCAG color contrast compliance
Calculate the WCAG contrast ratio between 2 colors.
Firefox extension to ease use of Asqatasun Contrast-Finder
Foundation A11y-Compliant Color Palette Picker
If you see an error or omission or if you have any other comments, please let us know