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WCAG Contrast checker

WCAG Contrast checker

Checks for compliance with the contrast levels of foreground and background colors combination based on the requirements of WCAG 2.2

WCAG Contrast checker is available to install from Firefox Browser Add-ons and for download from this page. It has 3,772 active users The latest version is 3.8.4, and it was published 2 months ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)
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All available versions

You can find the current and older versions of WCAG Contrast checker here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
 8 version available for download.
How to install WCAG Contrast checker from an XPI file
  1. Simply drag-and-drop the XPI into Firefox to install the add-on.
How to install WCAG Contrast checker from a ZIP file
  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the WCAG Contrast checker ZIP file from step 1. WCAG Contrast checker is now installed on your browser.
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