Why Do Passports Come In Different Colors?

Read up on these very important things you need to know about your passport. Granted, there are a few compulsory aspects of these international IDs. Passports are required to be made out of a material that bends in order to prevent creases, for instance. They also need to be read by a machine at temperatures ranging from 14 to 122°F, as well as at a relative air humidity ranging from five to 95 percent. Find out what your passport’s color really means.