This document summarizes a lecture about color theory, including the traditional color wheel and color schemes. It discusses how Isaac Newton discovered that white light contains all the colors of the rainbow and organized the first color wheel. It also talks about Johann Goethe's critique of Newton's over-reliance on math instead of visual perception. The lecture covers the concepts of hue, value, and intensity as the three properties of color. It provides examples of complementary colors mixing to create neutrals and discusses different color wheels, including Newton's basic wheel and Itten's wheel.