What is Colour Contrast Checker?

Colour Contrast Checker is a Chrome extension developed by https://colourcontrast.cc, and its main feature is "Check the contrast between different colour combinations against WCAG standards".

Extension Screenshots

Download Colour Contrast Checker Extension CRX File

Download Colour Contrast Checker extension files in crx format, manually install Chrome extensions in the browser, or share the crx files with friends to easily install Chrome extensions.

Extension Usage Instructions

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 6 colour combinations you have compared (uses local storage) to refer back to later
- Quickly 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.

Extension Basic Information

Name	Colour Contrast Checker
ID	nmmjeclfkgjdomacpcflgdkgpphpmnfe
Official URL	https://chromewebstore.google.com/detail/colour-contrast-checker/nmmjeclfkgjdomacpcflgdkgpphpmnfe
Description	Check the contrast between different colour combinations against WCAG standards
File Size	418 KB
Installation Count	36,215
Current Version	1.4.2
Last Updated	2023-05-17
Publish Date	2019-09-06
Rating	4.03/5 Total 29 Ratings
Developer	https://colourcontrast.cc
Email	[email protected]
Payment Type	free
Extension Website	https://colourcontrast.cc/
Help Page URL	https://github.com/Pushedskydiver/CC-Checker-Chrome-Extension/issues
Supported Languages	en-GB
manifest.json
{ "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx", "manifest_version": 3, "name": "Colour Contrast Checker", "short_name": "CC Checker", "description": "Check the contrast between different colour combinations against WCAG standards", "version": "1.4.2", "action": { "default_title": "Open CC Checker" }, "icons": { "16": ".\/favicons\/favicon-16x16.png", "48": ".\/favicons\/favicon-48x48.png", "128": ".\/favicons\/favicon-128x128.png" }, "permissions": [ "activeTab" ], "web_accessible_resources": [ { "resources": [ "index.html", "fonts\/avenir-next-variable.woff2" ], "matches": [ "" ], "use_dynamic_url": true } ], "background": { "service_worker": ".\/app\/background.js" }, "content_scripts": [ { "matches": [ "" ], "js": [ ".\/app\/content.js" ] } ] }