Is there some kind of plugin or service for any browser out there (Mac OS, Windows or Linux) that would let me see a website like a colorblind person would?

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    If you have further accessibility questions, you may want to check out the User Experience StackExchange site.
    – danlefree
    Commented Nov 24, 2011 at 8:48

2 Answers 2


This website seems to do what you need.


If you don't want to depend on a web service, Chrometric is a free AIR-based browser that lets you toggle between different forms of color blindness. It also has the advantage of working in a live browser (such as WebKit), rather than for single URLs at a time.

There's also a colorblindness simulator add-on for Firefox.

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