right, and then it helps to mix in the color of the atmosphere into your colors. like the light areas are affected by a warm sun so an orangeish, and the shades are a more cool color so like a purplish. also the strength of the light source should determine how intense the edges of the shading are, so like a more weaker light source would be more gradientish. to make it look the nicest you would have a mixture of strong and weak light sources, and reflection lights in your shaded areas blah blahadgqaegbvrvrfgbv