Color Contrast Checker
Color Contrast Checker is a Firefox extension for evaluating WCAG 2.1 color contrast ratios directly on webpages. It supports HEX, RGB, and HSL inputs, page-element and pixel color sampling, pass/fail checks for AA and AAA levels, previews, saved color pairs, and contrast suggestions.
Overview
10 featuresColor Contrast Checker sits in PulseGate's Browser DevTools & extensions category. It focuses on checking and improving color contrast accessibility on webpages without manually calculating WCAG ratios. It is built as a B2B product for web designers, developers, and accessibility professionals. Color Contrast Checker is free to use. It runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Behind Color Contrast Checker is Paint Color Consultants, and it first shipped in 2026. Among its 10 catalogued features are WCAG ratio checks, HEX/RGB/HSL conversion, and AA and AAA status. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
- WCAG ratio checks
- HEX/RGB/HSL conversion
- AA and AAA status
- Live text preview
- Page color picker
- Pixel eyedropper
- Saved color pairs
- Contrast suggestions
- Clipboard copying
- Draggable widget
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed16 Sep · 05:30 UTCColor Contrast Checker verified via Firefox Add-onsSource: Firefox Add-ons · Open
Frequently asked questions about Color Contrast Checker
- What does Color Contrast Checker do?
- Color Contrast Checker focuses on checking and improving color contrast accessibility on webpages without manually calculating WCAG ratios. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who should use Color Contrast Checker?
- Color Contrast Checker is a B2B product built for web designers, developers, and accessibility professionals.
- Does Color Contrast Checker have a free plan?
- Yes — Color Contrast Checker is free to use.
- What platforms does Color Contrast Checker run on?
- Color Contrast Checker runs on the web, embeddable surfaces, macOS, Windows, and Linux.
- Is Color Contrast Checker still maintained?
- Unverified. Color Contrast Checker has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- What are alternatives to Color Contrast Checker?
- Similar projects tracked by PulseGate include Color Contrast Ratio Checker, Colour Contrast Checker Plus, and ColorContrast.Color Contrast Ratio CheckerColour Contrast Checker PlusColorContrast
- Who develops Color Contrast Checker?
- Color Contrast Checker is developed by Paint Color Consultants.
- When did Color Contrast Checker launch?
- Color Contrast Checker first shipped in 2026.
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