We've been talking about a personal palette , as in the colors that attract you, but you might also choose to use a limited palette, as in "setting yourself some parameters to simplify". The site Artsy.net has a post about this, which I've posted excerpts from below. NOTICE that the 6-color Primary Palette is the one I started you out with! The Limited Color Palettes Artists Can Use to Excel at Painting Painters today have more pigments to choose from than any other artists in history. They can buy traditional, historical varieties that Rembrandt would recognize, such as siennas and ochres, or 20th-century innovations like phthalocyanines and quinacridones—pigments with an intensity that would have startled even the color-loving Impressionists. Despite this abundance, many artists and art educators endorse the use of a restricted “limited” palette as a way to develop coherent, harmonious, and personal paintings. Monochromatic palettes Limited palettes are great l