How well can you
Did you know ...
why Facebook is blue?
Because Mark Zuckerberg is red-green color blind. Blue is the richest color people with this type of color blindness can see, which is why it is Facebook's dominant color.Continue to next image
Did you know that ...
the army needs the color blind?
The American army used to recruit color blind men, because they could see through camouflage better than people with normal sight.Continue to next image