3 ms·Serious question, if everyone was colourblind, what disadvantages would there be?by jamesrom 9y agoSerious question, if everyone was colourblind, what disadvantages would there be?danso 9y agoYou mean, physically? Colorblindness probably wouldn't be a useful trait in this context as differences in skin color are usually seen as shades of darkness.jamesrom 9y agoNo, I don't mean physically.