Contrast Check

Overview

Check WCAG contrast ratios between foreground and background colors.

Contrast Check helps you verify readable color pairs against WCAG guidelines. How it works: • Pick foreground (text) and background colors with the color pickers or hex fields • See a live preview and the contrast ratio instantly • Get Pass/Fail for WCAG AA and AAA (normal and large text) • Optional: Sample text or background color from the current page with one click WCAG checks included: • AA normal text — 4.5:1 • AA large text — 3:1 • AAA normal text — 7:1 • AAA large text — 4.5:1 Privacy: • Runs only in your browser • No account, no sync, no server • Page colors are read locally when you choose to sample an element Free and offline — useful for designers, developers, and accessibility reviews.

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Details

Version
1.0.1
Updated
August 11, 2026
Flag concern
Offered by
dev.kostiuk
Size
24.73KiB
Languages
English
Developer
Email
mayzervan9@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

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