The crossword solution for the term 'SHADES, AS WITH A PENCIL' is 'GRAYS'. This term refers to the range of colors between black and white, which are often referred to as 'grayscale'. Grayscale is a common technique used in art and photography to create a range of tones from light to dark. It is also used in pencil drawings, where the artist uses different shades of gray to create a range of values.