Start with the lightest brown you have, and just add a little white. Then do a 'test spot', waiting for your product to dry. If it's not light enough yet, add a bit more white, and repeat the test. Repeat process until satisfied.
You make brown / light brown by using red, green and yellow.
if it is light brown it means you did not eat very well
brown
Light brown.
Light brown.
brown... light.
A lighter shade of brown.
White and brown.
More like a gold with a very very little light green.
Mix your regular brown color with white.
white and brown
a very light brown