Learn
Read about the many ways we see color
The same scene can feel different to different people. Start with experience, then explore the words for those differences.
01→
Red–green · Protan
A way of seeing where red-side brightness and separation can feel different.
02→
Red–green · Deutan
One of the more commonly discussed ways of seeing color, where green-side differences can feel different.
03→
Blue–yellow · Tritan
A way of seeing where blue and yellow differences can feel different.
Online test
Try a color blind test
Check red–green differences with eight public-domain Ishihara plates.
FAQ
A few gentle answers
Questions about seeing color differently, and sharing a photo with care.
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