This chart show different shades created with different pencils. The higher the number of the pencil e.g. : 6B the darker the shade.
Figure Drawing Professor: Henry Yan Figure Drawings
shadows (I know this is painted, but it would be a great charcole/drawing project)
love this color pallett- dog painting
Leonardo Da Vinci
Guy Denning, English painter
You Should Run by JonMcCoy