drawing on toned paper

Drawing on toned paper is a good idea in life-class because the middle tones are already taken care of. You can go darker with the charcoal and heighten with a white pencil. These are a couple of recent demos from LAA portrait class:




These next three are from a few years ago. The warm paper is Canson "bisque" color. I find that this offers a warm undertone to the cold black charcoal and cold white pencil. I find it is good to not isolate the charcoal from the white, but to let them mix and overlap: