Color Wheel Small Color Mixing Guide (2 pack) Contains 2 Color Wheel Small Color Mixing Guides. Each wheel measures 5-1/4 inches in diameter. Each guide is two-sided and visually illustrates relationships between color. Demonstrates the results of color mixing. The mix side shows colors mixed with each other or with black and white. The harmony side shows analogous and complementary colors. Features a gray scale, tints, tones, and definitions of color terms.