Having tones of one color in addition of the ground hue.
-having one tone of color going from light to dark or vise versa.
color-wheel-artist.com: features three or more Hues which are positioned next to each other on the Color Wheel.
-Colors that are next to each other going from one hue to another.
Dictionary.com: secondary colors
- colors that are across from either other on the color wheel.
Triad and Tertiary Colors: