Mix primary colors to create secondary colors
Red + yellow = orange
Blue + yellow = green
Red + blue = purple
Mix secondary colors with primary colors to create tertiary colors
Red + orange = red-orange
Yellow + orange = yellow-orange
Yellow + green = yellow-green
Blue + green = blue-green
Blue + purple = blue-purple
Red + purple = red-purple
Add white to make a color lighter
Add black to make a color darker
Add gray to make a color muted
Adjust the amount of each color to change the shade
Use complementary colors to neutralize or tone down a color
Use pigments, dyes, or digital color values depending on the medium