SIM DALTONISM WINDOWS SERIAL
Now if someone can just get Apple to stop using microscopic pale gray type on important data like serial numbers….Īt the time Mosaic 1.0 was released, 16-color displays were fairly common. I’ve been designing textbooks for decades, and the last several years have seen a real increase in designer attention to ADA issues involving vision. Blue was likely the consensus color that worked for everyone there at the time. I don’t have any proof of the process, but in the creative fields I’ve seen, the creator usually asks his or her colleagues what they think. Since an estimated 8% of men genetically have colorblindness of some sort, I imagine one of the earliest programmers, or somebody else in their workspace asked for comments, was colorblind. Blue becomes teal for the some colorblind types, but still remains a distinct color from black. Fire engine red becomes nearly black to one of the red/green colorblind types. Why blue at all? Blue is just about the only color that remains a real color for everyone, including all the colorblind variants. But it’s not so dark that it “blacks out,” or becomes easily confused with black when presented as thin type. That darker royal blue is dark enough to work for readers with poorer vision.
The first involves contrast between the type and the background page color (usually white). That color of royal blue solves two accessibility problems.
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