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See how a colour pair performs for different text sizes.

Compare text contrast with its size, weight and colour direction in view.

Practical web-accessibility checks linked to WCAG criteria

Shape a complete interface palette while checking colour-pair contrast.

Add automated accessibility rule checks to an existing browser UI test flow.

Scan a web page for common accessibility issues, then follow guided checks for keyboard and manual review.

Share a colour pair with its WCAG text-contrast result.

Standards and guidance for accessible digital experiences

Run command-line or Node.js accessibility checks against web pages and local HTML.

Sample a foreground and background pair and copy its contrast report.

Check text and interface contrast with transparency and lightness controls.

Check PDF accessibility and inspect reading structure

Compare a text and background pair with editable colour values.