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

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