Colour Contrast Checker Plus
Colour Contrast Checker Plus is a Firefox extension for comparing foreground and background colours against WCAG contrast guidelines. It supports hex codes, colour names, webpage colour picking, saved combinations, colour reversal, and share links for designers and accessibility testers.
Overview
8 featuresIn the Browser DevTools & extensions space, Colour Contrast Checker Plus takes a focused approach. It focuses on checking whether foreground and background colour combinations meet WCAG contrast requirements. It is built as a B2B product for web designers and accessibility testers. It is available for free. It ships for the web and embeddable surfaces.
It is developed by OKKing, and it first shipped in 2025. Among its 8 catalogued features are hex colour comparison, colour name comparison, and webpage colour picker. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
- Hex colour comparison
- Colour name comparison
- Webpage colour picker
- WCAG contrast checking
- Saved combinations
- Reverse colours
- Share links
- Local storage
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed13 Sep · 14:08 UTCColour Contrast Checker Plus verified via Firefox Add-onsSource: Firefox Add-ons · Open
Frequently asked questions about Colour Contrast Checker Plus
- What is Colour Contrast Checker Plus?
- Colour Contrast Checker Plus focuses on checking whether foreground and background colour combinations meet WCAG contrast requirements. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who should use Colour Contrast Checker Plus?
- Colour Contrast Checker Plus is a B2B product built for web designers and accessibility testers.
- Is Colour Contrast Checker Plus free?
- Yes — Colour Contrast Checker Plus is free to use.
- What platforms does Colour Contrast Checker Plus run on?
- Colour Contrast Checker Plus runs on the web and embeddable surfaces.
- Is Colour Contrast Checker Plus still maintained?
- Unverified. Colour Contrast Checker Plus 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 projects are similar to Colour Contrast Checker Plus?
- Similar projects tracked by PulseGate include Color Contrast Checker, Color Contrast Ratio Checker, and ColorContrast.Color Contrast CheckerColor Contrast Ratio CheckerColorContrast
- Who makes Colour Contrast Checker Plus?
- Colour Contrast Checker Plus is developed by OKKing.
- When did Colour Contrast Checker Plus launch?
- Colour Contrast Checker Plus first shipped in 2025.
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