Purple is the color of the ball in Snooker Plus with a 10-point value. In the game of pool, purple is the color of the 4-solid and the 12-striped balls. Business The British chocolate company Cadbury chose purple as it was Queen Victoria's favourite color. The company trademarked the color purple for chocolates with registrations in 1995 and 2004. However, the validity of these trademarks is the matter of an ongoing legal dispute following objections by Nestlé. In flags Purple or violet appear in the flags of only two modern sovereign nations, and are merely ancillary colors in both cases. The Flag of Dominica features a sisserou parrot, a national symbol, while the Flag of Nicaragua displays a rainbow in the center, as part of the coat of arms of Nicaragua. The lower band of the flag of the second Spanish republic (1931–39) was colored a tone of purple, to represent the common people as opposed to the red of the Spanish monarchy, unlike other nations of Europe where purple represented royalty and red represented the common people. In Japan, the prefecture of Tokyo's flag is purple, as is the flag of Ichikawa. Porpora, or purpure, a shade of purple, was added late to the list of colors of European heraldry. A purple lion was the symbol of the old Spanish Kingdom of León (910–1230), and it later appeared on the flag of Spain, when the Kingdom of Castile and Kingdom of León merged. See also Byzantium (color) Carmine (color) Cerise (color) Lavender (color) List of colors Orchid (color) Purple (cipher machine) Purple Francis Purple Mark Raspberry (color) Rose (color) Ruby (color) Shades of magenta Shades of purple Ultramarine Violet (color) References Further references "The perception of color", from Schiffman, H.R. (1990). Sensation and perception: An integrated approach (3rd edition). New York: John Wiley & Sons. Secondary colors Quaternary colors Shades of violet Web colors LGBT symbols