Thread: Gate arms
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Old 09-24-2023, 08:47 AM
Keefelane66 Keefelane66 is offline
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Can color blind people see red on white?
For these users, red color waves read as "no signal", or "black". These users confuse red and black, so this contrast should be avoided whenever possible. Red and white is legible, but indistinguishable from black and white.