Color triangle Color triangle A colour triangle is an arrangement of colours within a triangle, based on the additive combination of three primary colors at its corners. An additive colour space defined by three primary colors has a chromaticity gamut that is a color triangle, when the amounts of the primaries are constrained to be nonnegative. Before the theory of additive color was proposed by Thomas Young and further developed by James Clerk Maxwell and Hermann von Helmholtz, triangles were also used to organize colors, for example around a system of red, yellow, and blue primary colors. After the development of the
Royal Brewery of Krušovice Royal Brewery of Krušovice The Royal Brewery of Krušovice (cs: "Královský pivovar Krušovice", shortform Krušovice) is a Czech brewery, established in 1581 by Jiří Birka in the village of Krušovice. Jiří Birka sold the brewery to Emperor Rudolf II in 1583, allowing them to use the Imperial Crown of Austria as part of the company's logo. Arnošt Josef Valdštejn bought the brewery in 1685. After 1945, the Krušovice Brewery was the state-owned company. The brewery was fully privatised in 1993 and were launched beer exports to the USA and the UK. The company was acquired by Heineken in July 2007.