Sim Daltonism: Color blindness simulator for Mac OS X

By Dave Caolo

Earlier this afternoon I came across a very interesting application. Sim Daltonism simulates eight variants of color blindness, from Tritanopia (complete blue-yellow) to Tritanomaly (partial blue-yellow) to the rare Monochromacy, or complete color blindness. When the application is running, it displays a resizable window that simulates selected variant of color blindness underneath the portion of the screen you're mousing over.

Web and GUI developers can use this information to ensure that their designs are usable by color blind people. Sim Daltonism is free. I could not find specific system requirements, but it's working for me under Mac OS 10.4.2.

[Via What Do I Know?]
 

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