Philip alter, Rindge had his own interpretation of red, yellow and blue theory, in that he equated the three primaries to the Holy Trinity. Blue was for the father, red for the sun, and yellow for the Holy Spirit. Runs is better known for his development of the first color solid, a sphere in which all colors tints, tones and shades could be included in an orderly fashion. of the various colors red, green and blue circles developed. The most well known is the muzzle system developed by Albert Mazel.