The document discusses the nature of color, including: - There are two types of color: color lights which are real colors in light, and color pigments which are used for painting. - Light contains all the colors we see, and the color we perceive an object as being is the color it reflects. - A prism can be used to see the spectrum of colors in light. White light is the sum of all colored lights. - The primary colors of light are red, green and blue, while the primary pigment colors are magenta, yellow and cyan. - Complementary colors are color pigment pairs that mix to make black.