Also known as multi-level shading

Draw Physical appearance when painting with monochrome, then use color multi-level shape the dark often paint thinner middle tone and bright part layers of thick coated, or cover, or remain, forming blocks of color contrast. Because of varying thickness, showing the rich color rhyme intended texture. Transparent and opaque two painting strict distinction, painter, often in a painting
Integrated use of paintings. Performance in the dark or shadow images with transparent cover color can produce a stable, deep sense of volume and sense of space; the opaque cover color rule is easy to shape in the dark outside the body, increase the screen color saturation. Most of the 19th century painter both painting and making work time is generally longer, some unfinished layer after long-term placement, be the color layer is completely dry before painting.