All in One Bookmark Links for Accessibility

Easily calculate color contrast ratios. Passing WCAG was never this easy!
Empowering designers with beautiful and accessible color palettes based on WCAG Guidelines of text and background contrast ratios
Free color blindness simulator for Windows, Mac and Linux
What you need to know about colors & accessibility. A modern tool for exploring and finding accessible colors
A community-driven effort to make web accessibility easier
The color-blind simulator and contrast checker for Sketch & Adobe XD. Design with accessibility in mind
A macOS app for quick access to WCAG color contrast ratios