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
Stones Brewery the closure on the steep decline in sales of cask conditioned beers (nationally there had been a 14 per cent decline in sales of cask beer over the previous 12 months) which the brewery produced. The brewer realised £1 million in efficiency savings by closing the brewery. The Campaign for Real Ale blamed the brewery's closure on Bass' failure to promote their cask conditioned products. As well as Stones Bitter, the Cannon brewed the small scale Bass Special, Bass Light and Bass Mild brands from the mid-1990s as declining Stones volumes left the brewery with spare capacity. Bass Light and