Wheel of twenty tones: Based on color science: The traditional color wheel is based on the historical theory of the three primary colors of red, yellow and blue. Therefore, it usually contains twelve tones - three primary colors, three secondary colors and six secondary colors. More tones also mean more subtle color combinations to choose from Three Levels of VividnessDiscover a new way to think about color harmony. Each hue is displayed in three chroma levels, helping you understand how color intensity affects emotion and design impact. Dual Rotating Gamut MasksUnlike standard color wheels, Color Fidgets rotating masks allow you to limit your visible color gamutan intuitive tool for selecting cohesive color palettes and learning visual harmony. Bold and Functional DesignAt 2 inches in diameter, this enamel pin is both a wearable statement piece and a practical design tool. Clear visibility makes it useful for education, design work, or casual color play. High-quality material: Color fidget wheel adopts high-quality silver-plated finish, colorful fidget spinner design, equipped with two layers of interactive spinners, by rotating the double mask design of Color Fidget, you can intuitively explore tonal combinations with different limits of vividness.