bee purple noun1 •A color that is a mixture of ultraviolet light and yellow light (the two extremes of the visual spectrum of the bee, analogous to the way purple for humans is a mixture of red and violet, the two extremes of the human visual spectrum).Karl von Frisch discovered that honey bees can see six colors—blue, blue-green, yellow, bee purple, ultraviolet, and bee violet. — 2010 formsbee purples