WordNet
coloring material
n. any material used for its color; "she used a different color for the trim" [syn: colouring material, color, colour]
Usage examples of "coloring material".
The young women walked back to the Mammoth Hearth with some small mortars and pestles, and several lumps of red ochre coloring material in various shades.
There had been some kind of dye on his hair, some coloring material on his skin, and he had evidently taken these off with chemical removers.