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WCAG Contrast checker Version History

10 versions

Be careful with old versions!

These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.

Version 1.4.4 791.9 KB Works with Firefox 1.5 and later

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This add-on is not compatible with your version of Firefox because of the following:

    Version 1.4.3 163.3 KB Works with Firefox 5.0 and later

    Added new translations: Asturian, French and Italian

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    This add-on is not compatible with your version of Firefox because of the following:

      Version 1.4.2 159.0 KB Works with Firefox 1.5 and later

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      This add-on is not compatible with your version of Firefox because of the following:

        Version 1.4.1 159.0 KB Works with Firefox 1.5 and later

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        This add-on is not compatible with your version of Firefox because of the following:

          Version 1.4 159.7 KB Works with Firefox 1.5 and later

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          This add-on is not compatible with your version of Firefox because of the following:

            Version 1.3 59.9 KB Works with Firefox 1.5 and later

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            This add-on is not compatible with your version of Firefox because of the following:

              Version 1.2 49.5 KB Works with Firefox 1.5 and later

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              This add-on is not compatible with your version of Firefox because of the following:

                Version 1.1.02 80.9 KB Works with Firefox 1.5 and later

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                This add-on is not compatible with your version of Firefox because of the following:

                  Version 1.1.01 89.1 KB Works with Firefox 1.5 - 3.5.*

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                  This add-on is not compatible with your version of Firefox because of the following:

                    Version 1.1 87.0 KB Works with Firefox 1.5 - 3.1b3pre

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                    This add-on is not compatible with your version of Firefox because of the following: