Purple is any of a group of colors intermediate between blue and red. On a chromaticity diagram, the straight line connecting the extreme spectral colors (red and violet) is known as the line of purples (or purple boundary); it represents one limit of human color perception. The color magenta used in the CMYK printing process is on the line of purples, but most people associate the term "purple" with a somewhat bluer shade.
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In politics in the Netherlands, purple means a government coalition of right-liberals and socialists (symbolized by blue and red, respectively), as opposed to the more common coalitions of the Christian center-party with one of the other two. From 1994-2002 there have been two purple cabinets, see also Politics of the Netherlands and Paars (Dutch word for 'purple').
Purple is the name given by US cryptographers to a device used to encipher and decipherencrypted messages, developed by a Japanese Naval officer. It was used for the highest security messages between the Japanese Foreign Office and embassies and consulates worldwide from 1939. See Purple code.
Purple is a somewhat rare English/U.S. surname. In the United States Purples tend to come either from Connecticut or upper New York State.
Purple was also a record label owned by the British rock group Deep Purple in the 1970s, and distributed by EMI.
