extension ExtPose

WCAG Color contrast checker

Description from extension meta To test the color contrast according to WCAG accessibility requirements
Image from store WCAG Color contrast checker
Description from store It checks the color contrast between the foreground and background of the elements that are in the page according to the WCAG 2. It evaluates the contrast on all elements of the page considering their computed style for the color and background-color CSS properties. In case of these colors are defined with RGBA values, it also considers the opacity to deduce the real color that finally is show. It can simulate color blindness and evaluate the contrast for the simulations. By this way, developers can see how the pages look for colorblind users. The tool also includes two fields in which the colors can be introduced manually to be tested. It also allows to pick the color directly from the documents. Finally, it auto-refreshes when DOM of the page changes (addition or removing elements), but if the page has many changes, this behavior can be de-activated.
Latest reviews (2019-10-20) Chris Horikx: Why does this need to access my browser history all of a sudden - delete (2019-10-18) Andrés Rodríguez: The extension wants my browser history for telling me the contrast values of my current page? That is madness. (2019-10-18) Greg Grunwald: It works well, but after the latest update, devs for whatever reason decided that they should request access to our browser history and then sell it. I'd rather you use ads. Won't be using this anymore. (2019-07-31) Eric Klemen: Very useful and time saving tool. Highly recommended! (2019-04-09) Lukasz Przewlocki: Very useful extension. Allows you to see a list of elements that meet or doesn't meet one of the 2 criteria, and highlights them when needed. Uses the newer, v.2 standard for the calculations, distinguishes between large/small, normal/bold text. Auto refreshing is useful when testing elements that react to hover events. (2018-06-22) duncan vortx: Fast, easy to use, works the same as this author's Firefox extension.

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Statistics

Installs
8,081
Category
Rating
3.625 (8 votes)
Last update / version
2019-10-18 / 3.3.1

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