We mentioned the color wheel during our descriptions of the HSB and HSL color models, and we will come across it regularly in the form of various sliders and adjustments. The color wheel arranges hues in approximately the same order as a rainbow. In the color wheel, yellow lies opposite blue, and green lies opposite magenta.
Colors that lie diametrically opposite one another in the color wheel are called complementary colors. These color pairs form maximum visual color contrast, so it is useful to know the complementary colors of basic red, green, blue, cyan, magenta, and yellow tones when composing your images.
Figure 3-37. The ...