mellowness vs tint

mellowness and tint both are nouns.

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

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

Other hypernyms of mellowness include shade, tincture, tone.

mellowness (noun)	tint (noun)
the property of a sensation that is rich and pleasing	a quality of a given color that differs slightly from another color
a soft shade of a color	a just detectable amount
geniality, as through the effects of alcohol or marijuana	a dye for coloring the hair
a taste (especially of fruit) that is ripe and of full flavor
a feeling of good humor and sympathy through maturity or intoxication or a relaxed state

mellowness (verb)	tint (verb)
	color lightly