Capitalist Color Theory February 2018, Talavera de la Reina and Cáceres 23 x 100 x 30 cm Supermarket products i Color theory is a body of practical guidance to color mixing and the visual effects of a specific color combination. The names of products contain the colors in Spanish in their names: red, purple, blue, green, yellow, orange, white, black. Tags: color, theory, supermarket