WCAG Color contrast checker
Developer Tools
To check the color contrast between foreground and background of the texts
Users
90K
Rating
3.9
Reviews
35
7D Growth
0|0%
Stable signalUnknownMedium-risk permissions
Colour Contrast Checker
Check the contrast between different colour combinations against WCAG standards
Users40KCurrent public install base
Rating3.5Store average score
Reviews38Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsColour Contrast Checker Media preview
Trend
User growth trend
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User Growth Over Time
Rating trend
7-day rating trend
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7-day rating change
Start
3.45
Latest
3.45
7-day rating change
0.00
2026年7月13日2026年7月19日
Growth overview
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1-day growthNo data
----7-day growthFlat
00%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version2.0.1
ManifestV3
Size378KiB
Languages1English (United Kingdom)
Published
Store updated
Last crawled
English (United Kingdom)
Overview
Product summary
Review the store description, core capabilities, and common use cases.
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
Reviews
Recent review snapshot
Inspect the latest comments and rating distribution.
Store average score3.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.7Average computed only from synced review bodies below
Reviews with text32Synced review bodies
Total ratings / reviews38Chrome Web Store public rating/review count
Store average score: 3.5. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Good, but I would've loved RGB values too, and a comparison between each of the RGB values
muy útil y muy buen diseño. Enhorabuena y gracias!
Didn't work.
Edit: Initially this extension refused to activate after I installed it. However, once I went into my browser's extensions settings and opened the details for this extension where I manually enabled access to file URLs (this was disabled by default) and then restarted my browser, it started working. The same solution applies to similar extensions I tested, and this works on both Chrome and Vivaldi.
I figured it out, open the link, and then hold the click on the extension for 2 s. and it will pop down.
No matter how many times I refreshed or clicked, nothing happened. A bit because it's so pretty.
Very simple, Does the job really well
Simple & effective. Use this tool on the daily. Thanks for developing!
Great tool to check colour contrast within your browser! Thanks Alex,
Really wanted to try this tool, but I updated chrome, checked the extension was up to date, restarted my computer, forced quit chrome. Everything, just wouldn't work me, super disappointed and wasted some important work time. Maybe in the future I can try it again and give a more positive review.