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Pa11y vs WebAIM Contrast Checker

Pa11y: Open source accessibility testing tools for the command line and CI WebAIM Contrast Checker: Checks text and background color pairs against WCAG contrast ratios

Comparison of Pa11y, WebAIM Contrast Checker
Pa11y
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WebAIM Contrast Checker
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CategoryAccessibilityAccessibility
PricingOpen sourceLGPL-3.0 licenceFree
Platforms–
  • Web
Best for
  • Developers
  • QA teams
  • Accessibility teams
  • Designers
  • Front end developers
  • Accessibility teams
Highlights
  • Command-line tool that checks one page at a time
  • Dashboard with daily tests and trend graphs
  • Pa11y CI for running checks across many pages
  • Check the contrast ratio of two colors
  • See pass or fail for WCAG AA and AAA
  • Preview normal and large text samples
GitHub stars4.6k–
Last update7 days ago–

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