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WebAIM Contrast Checker vs Contrast: catalog facts
WebAIM Contrast Checker	Contrast
Free Free to use.	Free No price is listed on the site; the Figma plugin installs from Figma.
Web	macOS
Separate results for normal text, large text and UI components Alpha and lightness controls for adjusting colors	Shows WCAG AA and AAA ratings at a glance Works inside Figma as a plugin
Checks one color pair at a time Does not scan a live page	Desktop app is macOS only Focused only on contrast, with no palette building
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.