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mathias's profile
Mathias Bynens
Mathias Bynens
Mathias Bynens
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@mathias

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Mathias BynensVerified account

@mathias

I work on @ChromeDevTools & @v8js at Google and on ECMAScript through TC39. ♥ JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.

Munich, Germany
mths.be
Joined January 2007

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    1. Mathias Bynens‏Verified account @mathias Mar 10
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      New accessibility feature in @ChromeDevTools: simulate vision deficiencies, including blurred vision & various types of color blindness. 🔥 Find out how people with vision deficiencies experience your web app, and resolve contrast issues you didn’t even know you had!pic.twitter.com/QKLQmEhhMM

      50 replies 1,521 retweets 3,379 likes
      Show this thread
    2. Ian Hamilton‏Verified account @ianhamilton_ Mar 11
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      Replying to @mathias @ChromeDevTools

      In theory that's nice but the -anomoly simulations are wrong unfortunately, you can't simulate it in that way.

      1 reply 0 retweets 5 likes
    3. Ian Hamilton‏Verified account @ianhamilton_ Mar 11
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      Replying to @ianhamilton_ @mathias @ChromeDevTools

      Better would be to remove all of the -anomoly options from the dropdown, and if any of the remaining options is chosen, display a slider for severity - with 100% labelled as -anopia, and anything greater than 0% and less than 100% labelled as -anomoly

      2 replies 0 retweets 4 likes
    4. Ian Hamilton‏Verified account @ianhamilton_ Mar 11
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      Replying to @ianhamilton_ @mathias @ChromeDevTools

      If that can't be done, just remove -anomoly full stop, as designing for -anopia means you're accessible to -anomoly anyway.

      1 reply 0 retweets 3 likes
    5. Ian Hamilton‏Verified account @ianhamilton_ Mar 11
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      Replying to @ianhamilton_ @mathias @ChromeDevTools

      Although there's good intention behind the current options, they're actually super harmful for accessibility, though giving the false impression that most people who have some kind of colour vision deficiency see in the way that the -anomoly simulation indicates.

      1 reply 0 retweets 2 likes
    6. Ian Hamilton‏Verified account @ianhamilton_ Mar 11
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      Replying to @ianhamilton_ @mathias @ChromeDevTools

      From the looks of the docs the issue lies here? http://go/colorfix-simulate. I haven't done a comparitive simulation between yours & colororacle but colororacle has the most accurate simulations I've come across, not perfect but close enough that I've never had a false positive,

      1 reply 0 retweets 2 likes
    7. Ian Hamilton‏Verified account @ianhamilton_ Mar 11
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      Replying to @ianhamilton_ @mathias @ChromeDevTools

      Ian Hamilton Retweeted Ian Hamilton

      ...and coloracle is open source, the algorithms are freely available. Their site includes the research that went into them, including the raw algorithms.https://twitter.com/ianhamilton_/status/481006663689052160 …

      Ian Hamilton added,

      Ian HamiltonVerified account @ianhamilton_
      How to build a colourblindness simulator, open source code: https://github.com/nvkelso/color-oracle-java … & maths behind it: http://vision.psychol.cam.ac.uk/jdmollon/papers/colourmaps.pdf … #a11y #gamedev
      1 reply 1 retweet 2 likes
    8. Ian Hamilton‏Verified account @ianhamilton_ Mar 11
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      Replying to @ianhamilton_ @mathias @ChromeDevTools

      In all I don't want to give the wrong impression, what you've done so far is a great start, and it shouldn't take too much tweaking to get it properly working.

      1 reply 0 retweets 2 likes
      Mathias Bynens‏Verified account @mathias Mar 20
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      Replying to @ianhamilton_ @ChromeDevTools

      Thanks for the input. We’re removing the -omaly simulations: https://chromium-review.googlesource.com/c/chromium/src/+/2109754 …

      2:24 AM - 20 Mar 2020
      • 1 Like
      • Charles Hall
      1 reply 0 retweets 1 like
        1. Ian Hamilton‏Verified account @ianhamilton_ Mar 20
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          Replying to @mathias @ChromeDevTools

          Ah awesome, the logic for blurred vision seems sound too

          0 replies 0 retweets 1 like
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