Mix red and green
Mix blue and orange
Mix yellow and purple
Mix equal parts red, yellow, and blue
Add more red for a warmer brown
Add more blue for a cooler brown
Add a little white to lighten the brown
Add a little black to darken the brown
Mix red and green
Mix blue and orange
Mix yellow and purple
Mix equal parts red, yellow, and blue
Add more red for a warmer brown
Add more blue for a cooler brown
Add a little white to lighten the brown
Add a little black to darken the brown