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Check contrast of CSS ::highlight pseudo classes #4553

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WilcoFiers opened this issue Aug 5, 2024 · 0 comments
Open

Check contrast of CSS ::highlight pseudo classes #4553

WilcoFiers opened this issue Aug 5, 2024 · 0 comments
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color contrast Color contrast issues rules Issue or false result from an axe-core rule standards Issues in the ARIA standards objects (lib/standards)

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@WilcoFiers
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It's possible to use ::highlight() in CSS to change the foreground and background colors of text. Axe-core should look at this when testing, since it can result both in false positives and false negatives.

I've never seen anyone use this, so it's mostly a theoretical problem. Here's a codepen with how that might work:
https://codepen.io/wilcofiers/pen/xxorwOe
@WilcoFiers WilcoFiers added rules Issue or false result from an axe-core rule color contrast Color contrast issues standards Issues in the ARIA standards objects (lib/standards) labels Aug 5, 2024
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color contrast Color contrast issues rules Issue or false result from an axe-core rule standards Issues in the ARIA standards objects (lib/standards)
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