richness vs tint

richness and tint both are nouns.

Word	Noun	Adjective	Verb	Adverb
richness	Yes	No	No	No
tint	Yes	No	Yes	No

As nouns, tint is a hypernym of richness; that is, tint is a word with a broader meaning than richness:

Other hypernyms of richness include shade, tincture, tone.

richness (noun)	tint (noun)
a strong deep vividness of hue	a quality of a given color that differs slightly from another color
the property of a sensation that is rich and pleasing	a just detectable amount
the property of producing abundantly and sustaining vigorous and luxuriant growth	a dye for coloring the hair
the property of being extremely abundant
splendid or imposing in size or appearance
the quality of having high intrinsic value
abundant wealth

richness (verb)	tint (verb)
	color lightly