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
Blue Is the Warmest Colour US Blu-ray/DVD sales alone). On review aggregation website Rotten Tomatoes the film has an approval rating of 90% based on 175 reviews with a weighted average of 8.2/10. The site's critical consensus is: "Raw, honest, powerfully acted, and deliciously intense, "Blue Is the Warmest Colour" offers some of modern cinema's most elegantly composed, emotionally absorbing drama." On Metacritic, which assigns a normalised rating out of 100 based on reviews from mainstream critics, the film has a score of 88 averaged from 41 reviews, indicating "universal acclaim". More than 40 critics named the film as one of the ten best of