Presented by Catharine McNally at TCDrupal2016
http://www.color-blindness.com/coblis-color-blindness-simulator/
If the design fails to work well in simulator, send it back, before implementation.
4.5% of world is colorblind: 8% of men, 0.5% of women.
Here's a slightly simplified version of the code causing the problem— very slightly simplified; it really was about this short:
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