The crayon may mix the color?

Looks like BB the Kent paper that kind of surface not smooth paper, the pigment is quite easy to decide, therefore with that kind of paper color time, may duplicate on several kind of different color pigments. If with the line drawing law color overlap color's picture, may mix the very subtle color. Wax pencil's oil sex-linked colors pencil, may use the solvent likely to mix the color, the water-soluble crayon's words may the water used mix the color. If is water-soluble crayon, may let the pen get wet, then from on toward, may mix very well the color.