RGBlind is described as 'Simulate color blindness in Chrome, Firefox and Opera with RGBlind, the open-source, real-time color blindness simulation tool for the web' and is an app in the os & utilities category. There are three alternatives to RGBlind for Mac, Web-based and Sketch. The best RGBlind alternative is Sim Daltonism, which is both free and Open Source. Other great apps like RGBlind are Coblis and Stark.
From the perspective of a color blind person, some colors are impossible to distinguish. Sim Daltonism lets you visualize colors as they are perceived with various types of color blindness.
Sim Daltonism is the most popular Mac alternative to RGBlind.
Sim Daltonism is the most popular Open Source & free alternative to RGBlind.
If you are not suffering from a color vision deficiency it is very hard to imagine how it looks like to be colorblind. The Color BLIndness Simulator can close this gap for you. Just play around with the sample picture or upload your own images.
Coblis is the most popular Web-based alternative to RGBlind.
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