Compare software

Colour Contrast Analyser vs Accessible Color Matrix: catalog facts
Colour Contrast Analyser	Accessible Color Matrix
Free Free to download, with source code published on GitHub.	Free Free to use in the browser.
Windows, macOS	Web
Screen-wide eyedropper for foreground and background Results for WCAG 2.0, 2.1 and 2.2	Checks every color pairing in a palette at once Grid view makes passing and failing combinations easy to scan
Windows and macOS only Checks one color pair at a time	Focused only on contrast, with no palette generation Small single-purpose tool with limited documentation
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
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 2, 2026

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