The colour-sphere has the pure colours around the equator, starting with the three primary colours of red, yellow and blue. Three mixed colours take their place in each of the equal intermediate spaces between the primaries, while white and black form the sphere’s poles. Runge wished to capture the harmony of colours — not the proportions of mixtures. He wished to bring a sense order to the totality of all possible colours, and sought an ideal colour-solid.
• Philipp Otto Runge develops the concept of the color sphere. His goal was to show the complete realm of colors, using only the mixture of the three primary colors (red, blue, yellow). Runge saw the three colors as a “simple symbol of the Holy Trinity” and black and white as “light is goodness, and darkness is evil.” His idea was to expand the hue existing circle into a sphere, with white and black forming the two opposing poles.
•Featured are the primary colours red, yellow and blue. They have the same distance to each other. The secondary colours orange, purple and green also have the same distance. The upper part of the sphere is white; the colours become lighter. The lowest part of the sphere is black; The colours become darker. Red, blue yellow, black and white have the same distance from each other.