nonsolid colour vs coloring

nonsolid colour and coloring both are nouns.

Word	Noun	Adjective	Verb	Adverb
nonsolid colour	Yes	No	No	No
coloring	Yes	No	No	No

As nouns, coloring is a hypernym of nonsolid colour; that is, coloring is a word with a broader meaning than nonsolid colour:

nonsolid colour: a color produced by a pattern of differently colored dots that together simulate the desired color
coloring: a visual attribute of things that results from the light they emit or transmit or reflect

Other hypernyms of nonsolid colour include color, colour, colouring.

nonsolid colour (noun)	coloring (noun)
a color produced by a pattern of differently colored dots that together simulate the desired color	the act or process of changing the color of something
	a visual attribute of things that results from the light they emit or transmit or reflect
	a digestible substance used to give color to food