vividness vs chroma

vividness and chroma both are nouns.

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

As nouns, vividness and chroma are synonyms defined as:

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

Other synonyms of vividness include intensity, saturation.

vividness (noun)	chroma (noun)
chromatic purity: freedom from dilution with white and hence vivid in hue	chromatic purity: freedom from dilution with white and hence vivid in hue
interest and variety and intensity