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Colour Contrast Checker

colourcontrast.ccColour pickers & palettes

No liveness check has reached it yet; it is registered on GitHub and has been in the index since 11 Oct 2026. How this is checked

Colour Contrast Checker evaluates foreground and background colour combinations against WCAG contrast requirements. It provides contrast ratios, AA and AAA pass grades, colour values, reversal, saved colours, and typography examples for designers and developers.

Inferred · not functionally tested

FreeMITWeb
Colour Contrast Checker preview
Visit colourcontrast.cc
171stars
18forks
4alternatives
10features
2026since

Overview

6 features

Purpose: Checking whether colour combinations meet WCAG contrast requirements for accessible text and interfaces.

Inferred · not functionally tested

Audience: web designers and developers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: MIT · platforms: WEB · deployment: browser

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: colourcontrast.cc · github.com. These links do not verify the individual claims.

Colour Contrast Checker sits in PulseGate's Colour pickers & palettes category. Inferred · not functionally tested: It focuses on checking whether colour combinations meet WCAG contrast requirements for accessible text and interfaces. Inferred · not functionally tested: It is built as a B2B product for web designers and developers. Basis unknown · not verified: It is available for free. Basis unknown · not verified: Colour Contrast Checker is available on the web.

Will Tarpey builds and maintains Colour Contrast Checker. The project is developed in the open on GitHub with 171 stars. Inferred · not functionally tested: Key capabilities include contrast ratio, WCAG grades, and background colour input.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Contrast ratio
  • WCAG grades
  • Background colour input
  • Foreground colour input
  • Colour value conversion
  • Reverse colours

Topics: Inferred · not functionally tested

Tags
wcag-compliancecontrast-ratiosaccessible-designcolour-tools

JSON profile · Text profile · Access guide

Built with & integrations

Framework
RemixReact
Hosting
Netlify
Connectors
chrome
Runs on
Browser
Detected from
Remix
window in the HTML
Netlify
x-nf-request-id header

Trust & compliance

License
MIT
Public signals
HTTPSFree tierGitHub · ★ 171

Indexing history

2

What PulseGate has recorded for this listing

  1. Indexed13 Oct · 19:45 UTC
    Colour Contrast Checker seen via seed_frontier
    Source: seed_frontier · Open
  2. Indexed11 Oct · 21:38 UTC
    Listing seen via seed_frontier
    Source: seed_frontier · Open

Frequently asked questions about Colour Contrast Checker

What is Colour Contrast Checker?
Inferred · not functionally tested: Colour Contrast Checker focuses on checking whether colour combinations meet WCAG contrast requirements for accessible text and interfaces. It is catalogued under Colour pickers & palettes on PulseGate.
Who should use Colour Contrast Checker?
Inferred · not functionally tested: Colour Contrast Checker is a B2B product built for web designers and developers.
Does Colour Contrast Checker have a free plan?
Basis unknown · not verified: Yes — Colour Contrast Checker is free to use.
What platforms does Colour Contrast Checker run on?
Basis unknown · not verified: Colour Contrast Checker runs on the web.
Is Colour Contrast Checker still maintained?
Unverified. Colour 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 projects are similar to Colour Contrast Checker?
Similar projects tracked by PulseGate include ColorContrast, Color Contrast checker, and Color Contrast Checker.ColorContrastColor Contrast checkerColor Contrast Checker
Who makes Colour Contrast Checker?
Colour Contrast Checker is developed by Will Tarpey.
Is Colour Contrast Checker open source?
Basis unknown · not verified: Colour Contrast Checker has a public GitHub repository.

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