In the magical properties of Color article it is said that grey is the only bad color. The Grim Reaper wears black, black cats give you bad luck, the black cube used by both muslims and jews is extremely evil. The jews wear all black and they are extremely evil, catholic priests wear black and they are also evil, black chicken are associated with black magic, black magic is evil, white magic is good, the holy dove is white, angels wear white, Satan wears white.