Adobe Contrast Checker
This tool lets you quickly verify that the contrast ratio of text and background color combinations meet the standards of the Web Content Accessibility Guidelines (WCAG).
Colorblindly Color Blindness Simulator
Colorblindly is an Chrome extension that helps developers and designers simulate different types of color blindness.
Huetone APCA Generator
Huetone helps you to create accessible color systems with predictable contrast ratios.
Contrast Wizard
This tool tests 2 or 3 colors for contrast, and recommends colors with better contrast.
EightShapes Contrast Grid
ColorSlurp · The best color picker in the universe!
Color Contrast
Myndex™ Technologies Color Vision Deficiency Simulator.
Accessible Palette
APCA Readability Criterion • Contrast
Visual Contrast: Everything clearly with APCA | Figma Community
Color Blind | Figma Community
Use Contrast | Figma Community
UI Color Palette | Figma Community
Color contrast | Figma Community
Foundation: Color Generator | Figma Community
Contrast | Figma Community
Contrast | Figma Community
A11y - Color Contrast Checker
WebAIM: Link Contrast Checker
Accessible Resources - Color contrast
Contrast Safe
Accessible Colors
Cluse — Sketch Plugin
Colorsinspo meets Adobe XD and Figma
Accessible color palettes | Figma Community
The Contrast Triangle
Colorable
Leonardo
Colorblind Web Page Filter Testing Tool & Simulator | Toptal®