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WCAG Color contrast checker icon

WCAG Color contrast checker

πŸ§‘β€πŸ’» Developer Tools
Developer: Jorge Rumoroso
3.990,000

To check the color contrast between foreground and background of the texts

To check the color contrast between foreground and background of the texts

User reviews

10 Β· from the Chrome Web Store
  • G

    Genji Shimada

    May 13, 2026

    Hello, Genji. Could you please tell me one URL of a site(s) in which it does not work?

  • K

    Kate

    Mar 16, 2026

    Hello, sorry for not writing back earlier. Could you please tell me the extension version and URL of a site(s) in which it does not work?

  • J

    John

    Feb 14, 2026

    Hello, sorry for not writing back earlier. Could you tell me the version and URL of a site in which it does not work?

  • H

    Human Person

    May 6, 2025

    It understandably doesn't detect the background color correctly when the background is an element with opacity over a background image. When this happens, I'd like to manually select the background color to confirm the contrast is high enough, but when I select the correct background color with the eyedropper tool, the contrast listed doesn't update. The color is picked correctly, except as an rgba color with an alpha of 0. It does this even if the color I'm picking has no opacity. I have to ...

  • P

    Paolo Pantaleo

    Apr 11, 2025

    Hi Paolo, I am sorry it does not work in the context you need it. Could it be that in the configuration of the extension ("Chrome > Extensions > Manage Extensions > WCAG Color Contrast Checker > Details" or "Chrome://extensions > WCAG Color Contrast Checker > Details") there is a permission that you didn't activate? In my case, it works on "localhost", so it is either something about how it is configured in your browser, or maybe the context in which it is running. I could check if I can reproduce the same scenario and context in which you use it, so please contact me directly so we can see if there is something we can do. My email address is in the same space in the "details" section of the extension.

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