Create, share, and apply color palettes to your UI, as well as measure the accessibility level of any color combination.
The A11Y Project
A community-driven effort to make web accessibility easier.
Contrast
A macOS app for quick access to WCAG color contrast ratios
Stark
The plugin to help you design and build products that are accessible, ethical, and inclusive.
Bulma
Bulma is a free, open source CSS framework based on Flexbox and used by more than 150,000 developers.
Accessible Colors
Color combination evaluation for contrast Accessibility
UI Triggers 