Design doc: https://goo.gle/devtools-cvd
Blink Renderer + back-end patch: https://mths.be/byr
DevTools front-end patch: https://mths.be/bys
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Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo
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Any advice on how to use this? I cannot reliably identify contrast issues just by looking at my website with these filters applied.
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Can you elaborate? Here’s a demo page: https://mathiasbynens.github.io/css-dbg-stories/color-vision-deficiency.html …
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what version of chrome has this? :-\
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It’s in Chrome 82. Use Canary to try it today!
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Will this be accessible as a function/config for someone using puppeteer?
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Yes, that’s part of the plan. Soon!
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Not currently possible, but our friends at Microsoft are currently exploring this:https://docs.google.com/document/d/1oOPSWPxCHvMoBZ0Fw9jwFZt6gP4lrsrsl8DEAp-Hy7o/edit …
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Do you know what version of chrome this will land in? I have Version 80.0.3987.132 and don't see it.
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It’s in Chrome 82. Use Canary to try it today

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JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.
Find out how people with vision deficiencies experience your web app, and resolve contrast issues you didn’t even know you had!