Paul Collins is a designer. He's also colorblind.

Colorblindness affects about 1 in 12 men and 1 in 200 women with northern European ancestry, and there are a lot of different types and causes for it. Not everyone who's colorblind is too put out by it, although there are some real ways colorblind people have been overlooked.

But for Collins, as an artist, colorblindness presented some particularly tough challenges.

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