Black is the colour of mourning. Red symbolizes danger, violence or bloodshed. If you are afraid you are yellow. None of these sayings is true outside the English speaking world. In China and Korea white is the color of mourning. In Russia red stands for beauty and life. In Italy and Germany you are yellow with anger, not with fear. It is not necessary to leave our own language area to find color contradictions. A redcap in the United States is a porter in a station; in Britain a redcap is a military policeman. Both names are logical because both men wear red caps. Likewise, the British equivalent of an American white-collar worker is sometimes called a black-coated worker. We needn't even cross an ocean to have logical color contradictions. Would you rather be red blooded or blue blooded? The first is literal, and so is the second if we trace its origin. The expression, which is now international, comes from Spain , where some noble Castilian families said that they had sangre azul, meaning that they had no Morrish or Jewish blood. But why “blue” blood? Because the veins stand out when their possessor is fair-skinned. The main idea of this article is .