Mix red and green paint
Mix blue, yellow, and red paint
Mix orange and blue paint
Mix red, yellow, and blue paint
Add a little black to darken the brown
Add a little white to lighten the brown
Adjust the ratio until the desired brown is reached
Mix red and green paint
Mix blue, yellow, and red paint
Mix orange and blue paint
Mix red, yellow, and blue paint
Add a little black to darken the brown
Add a little white to lighten the brown
Adjust the ratio until the desired brown is reached