A miniature version of this Contrast Checker can be initiated within any web page by installing and using the Contrast Checker Bookmarklet. This tool allows easy contrast testing of any content on your …

Feedback will be presented for all three required contrast calculations. To check the contrast of large text, or to check against Level AAA contrast requirements, use our standard contrast checker.

Please enter a valid hex value(alpha value optional), or use the color picker.

Jan 9, 2021 · The tool will display the contrast ratio and state whether it passes or fails Level AA and AAA requirements for both normal text and large text, and also WCAG 2.1 Level AA non-text …

The Contrast Checker Bookmarklet will display a miniature version of WebAIM's popular Contrast Checker in any web page. By using the eyedropper tool in the color picker tools, you can readily …

Jan 4, 2011 · In WCAG 2, contrast is a measure of the difference in perceived "luminance" or brightness between two colors (the phrase "color contrast" is never used in WCAG).

Jan 15, 2009 · I decided to bring together many aspects of the various color contrast checkers out there to build one of my own that provides just the functionality that I often need.

Oct 22, 2024 · Confirm every focusable element has a keyboard focus indicator/outline with at least 3:1 contrast. Ensure any "skip" links work correctly and are visible to sighted keyboard users.

WAVE ® is a suite of evaluation tools that helps authors make their web content more accessible to individuals with disabilities. WAVE can identify many accessibility and Web Content Accessibility …

Tools Accessibility Evaluation Tools - An Overview Color Contrast Checker Color-reliant Link Contrast Checker CommonLook PDF Plug-in for Acrobat WAVE