vividness vs saturation

vividness and saturation both are nouns.

Word	Noun	Adjective	Verb	Adverb
vividness	Yes	No	No	No
saturation	Yes	No	No	No

As nouns, vividness and saturation are synonyms defined as:

vividness and saturation: chromatic purity: freedom from dilution with white and hence vivid in hue

Other synonyms of vividness include chroma, intensity.

vividness (noun)	saturation (noun)
chromatic purity: freedom from dilution with white and hence vivid in hue	the act of soaking thoroughly with a liquid
interest and variety and intensity	chromatic purity: freedom from dilution with white and hence vivid in hue
	the process of totally saturating something with a substance
	a condition in which a quantity no longer responds to some external influence