Shhh, don't tell anyone, but the world of colors is a complex place. Tertiary colors are the sneaky cousins of the color family. They're not as showy as primary colors, nor as refined as secondary colors, but they're perfect for ninjas who need to blend into the background.
Here's a quick guide to get you started:
Remember, a true ninja always stays one step ahead. And that's a color theory for you.
More Tertiair Colors are hidden in the shadows.