Scumbling Painting Technique
Scumbling is a painting technique in which a layer of broken, speckled, or scratchy color is added over another color so that bits of the lower layer(s) of color show through the scumbling. The result gives a sense of depth and color variation to an area. Scumbling can be done with opaque or transparent colors, but the effect is greater with opaque or semi-opaque color and with a light color over a dark....