Why is Facebook blue? According to The New Yorker, the reason is simple. It’s because Mark Zuckerberg is red-green colorblind. This means that blue is the color Mark can see the best. In his own words Zuck says: “Blue is the richest color for me; I can see all of blue.”Not highly scientific right? Well, although in the case of Facebook, that isn’t the case, there are some amazing examples of how c