Pigments mixed with gum and pressed into a stick form for use as crayons. Pastels have a chalk appearance and must be sprayed with a fixative before they are framed.
1) Ground pigments, chalk, and binder formed into sticks for colored drawing. Also, 2) Any subdued, high key color (tint).
Pigment sticks such as chalk or oil pastels used in colour drawing. Can also refer to a tint of very light value--containing no black and more white than hue.