Why Facebook Is Blue Because Zuckerberg Is Colour Blind ?

founder of facebook mark zuckerberg ,all around the world using facebook ,mark Zuckerberg doesn’t have a strange trait,it just a condition how mark look at the world ,if he has colourblind it doesnt mean he can see only black and white Zuckerberg’s colour blindness makes it very difficult for him to recognise red and green colors,reason of chose blue colour that mark found blue is richest colour in the world.