There are three basic colors that all other colors are based on.
They are the pure, beautiful colors of blue, yellow and red.
These primary colors are equally spaced on the color wheel.
All the other colors on the wheel can be mixed from these three primary colors. The primary colors cannot be mixed.
We don't have to spend a lot of money at the paint store.
With knowledge we can mix paint colors from our palette.
Some top-notch professional artists use a limited palette based on only the primary colors and white.