Accessibility Testing Tools
The essential toolkit for ensuring your colors work for everyone.
Testing Workflow
Design phase: Use Figma/Sketch plugins to check as you design. Development: Use browser extensions to audit live pages. Pre-launch: Run comprehensive audits with axe or Lighthouse.
Browser Extensions
WAVE
Comprehensive accessibility evaluation tool. Shows errors directly on page.
wave.webaim.org
axe DevTools
Industry-standard accessibility testing. Detailed issue explanations.
deque.com/axe
Lighthouse
Built into Chrome DevTools. Accessibility audit with scores.
Built-in
NoCoffee
Simulates various vision impairments including CVD.
Chrome Web Store
Design Tool Plugins
Stark (Figma/Sketch)
Contrast checking, CVD simulation, and accessibility suggestions.
getstark.co
A11y - Color Contrast (Figma)
Quick contrast ratio checker for Figma.
Figma Community
Color Blind (Figma)
Simulate how designs appear to color-blind users.
Figma Community
Contrast (macOS)
Menu bar app for quick contrast checking.
usecontrast.com
Online Checkers
WebAIM Contrast Checker
Simple, reliable contrast ratio calculator.
webaim.org/resources/contrastchecker
Coolors Contrast Checker
Visual contrast checker with WCAG levels.
coolors.co/contrast-checker
Colour Contrast Analyser
Desktop app with eyedropper tool.
TPGi
Who Can Use
Shows how colors appear to users with various conditions.
whocanuse.com
Quick Testing Checklist
Automated vs Manual Testing
🤖 Automated Tools Can Find
- • Contrast ratio failures
- • Missing alt text
- • Form label issues
- • ARIA problems
👁️ Manual Testing Needed For
- • Color-only information
- • Meaningful focus order
- • Context-dependent issues
- • Real-world usability
Automated tools catch about 30-50% of accessibility issues. Always combine with manual review and ideally user testing with people who have disabilities.
Skip the Testing Hassle
Aura Mixer generates palettes that are pre-tested for accessibility. Every color combination meets WCAG AA standards.
Generate Accessible Palette