
Colour Contrast Checker Plus by OKKing
Check the contrast between different colour combinations against WCAG standards
You'll need Firefox to use this extension
Extension Metadata
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About this extension
Compare the contrast ratio of 2 colours, background and foreground, within a webpage against level 2 of the Web Content Accessibility Guidelines (WCAG).
Features
Once you have installed the extension you may need to reload the webpage you are currently on to begin using the extension.
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.
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PermissionsLearn more
This add-on needs to:
- Access your data for all websites
More information
- Version
- 2.0.1
- Size
- 386 KB
- Last updated
- 20 days ago (Feb 17, 2025)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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