The original “Analogous Color Wheel” by Hal Reed, produced by Art Video Productions is a vital tool for every color artist to create a harmonious painting. Simply turn the dial to select your dominant hue and the complement, discord and adjacent hues are automatically selected below. The Munsell color theory illustrated. The Color Wheel measures 8.5 x 12 inches and is made of heavy duty construction that will last for many years. More than 40,000 have been sold to artists and art instructors world wide.