Sim Daltonism - From the perspective of a color blind person, some colors are impossible to distinguish.
Color.review - Colors that look and work great for everyone.
Colour Blindness Simulator - Use our Colour Blindness Simulator to reveal how your images may appear to users with a variety of...
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Coblis - If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...
Stark - Contrast check and color blindness simulator for Sketch.