I think the color blind tests for small children is a wonderful idea.
20+ Purple Brown Color Blind. At the end of the test, you will be asked for your email address to view your results. Scientific background of the color blind test.
Paul Tol S Notes from personal.sron.nl
Some blues have become very blue through these glasses. Here is the selection of types of brownish colors with hex codes. +50 brown color with hex codes.
Learn how to design for a color blind audience if you're not.
Color blindness should be discussed more in design. So why aren't more people making their charts with a color blind friendly palette? Learn design tricks if you're color blind; On asking him further he sees purple as blue and sometimes says green is brown or pink.
