To avoid instant mud in your watercolors, select lightfast Mars Yellow. This semi-transparent brownish yellow is low-staining, an ideal substitute for more transparent, higher staining pigments such as New Gamboge or Yellow Ochre.
A wash of Mars Yellow adds gentle granulation to passages. Color-coordinate paintings using both Mars Yellow and Mars Violet, and mix them for subtle, muted warm grays.
Complimentary color is: