On Vision and Colors tried to demonstrate physiologically that color is "specially modified activity of the retina." The initial basis for Schopenhauer's color theory comes from Goethe's chapter on physiological colors, which discusses three principal pairs of contrasting colors: red/green, orange/blue, and yellow/violet. This is in contrast to the customary emphasis on Newton's seven colors of the Newtonian spectrum. In accordance with Aristotle, Schopenhauer considered that colors arise by the mixture of shadowy, cloudy darkness with light. With white and black at each extreme of the scale, colors are arranged in a series according to the mathematical ratio between the proportions of light and
Museum of Light, Mexico City exhibition explores the basic principles of light with exhibits that demonstrate its physics, the working of mirrors, the electromagnetic spectrum and a darkroom. The Light of the Stars exhibit focuses on the chemistry and other aspects of these celestial bodies and how they are discovered through the light they emit. A World of Colors focuses how colors are generated and perceived as well as how they are taken advantage of in nature. Light in the Arts reflects on how light, the illusion of light and color are used in this field. Light and the Biosphere focuses on how light is