Colour Contrast Checker
Check the contrast between different colour combinations against WCAG standards
As of June 2026, Colour Contrast Checker has 40,000 users and a 3.45/5 rating from 38 reviews in the Accessibility category.
Usersno change0%
40.0K
40,000
Ratingdown 1.7 percent−1.7%
3.45
38 reviews
Reviewsup 2.7 percent+2.7%
38
Version
2.0.1
Manifest V3
History
1 snapshotsTracking since May 2, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| May 2, 2026 | 40.0K | 3.51 | 37 | 2.0.1 |
| Now | 40.0K | 3.45 | 38 | 2.0.1 |
Permissions & access
- Permissions
- activeTab
- Host access
- None declared
Screenshots
About
Compare the contrast ratio of 2 colours, background and foreground, within a webpage against level 2 of the Web Content Accessibility Guidelines (WCAG). *More information about understanding colour contrast: https://webaim.org/articles/contrast/ Features - Use the text fields to compare colours using Hex codes or colour names - Use the colour picker tool to compare colours on a webpage - Store up to 20 colour combinations you have compared (uses local storage) to refer back to later - Reverse background and foreground colours - Generate a share link of colours compared Once you have installed the extension you may need to reload the webpage you are currently on to begin using the extension.
Technical
- Version
- 2.0.1
- Manifest
- V3
- Size
- 378KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- Yes
Metadata
- ID
- nmmjeclfkgjdomacpcflgdkgpphpmnfe
- Developer ID
- u8aa2e862038d54b98311b1c4de5b1bc3
- Developer Email
- [email protected]
- Created
- May 22, 2019
- Last Updated (Store)
- Aug 16, 2024
- Last Scraped
- Jun 1, 2026
- Website
- https://colourcontrast.cc/
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified Jun 1, 2026.