Compare software

Accessible Color Generator vs Colour Contrast Analyser: catalog facts
Accessible Color Generator	Colour Contrast Analyser
Free Free to use in the browser.	Free Free to download, with source code published on GitHub.
Web	Windows, macOS
Suggests the nearest accessible variation instead of just a pass or fail Supports both AA and AAA targets	Screen-wide eyedropper for foreground and background Results for WCAG 2.0, 2.1 and 2.2
Works on one color pair at a time Page promotes the developer's courses and newsletter	Windows and macOS only Checks one color pair at a time
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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