lazuline vs sky-blue

lazuline and sky-blue both are nouns.

Word	Noun	Adjective	Verb	Adverb
lazuline	Yes	No	No	No
sky-blue	Yes	Yes	No	No

As nouns, lazuline and sky-blue are synonyms defined as:

Other synonyms of lazuline include azure, cerulean, sapphire.

lazuline (noun)	sky-blue (noun)
a light shade of blue	a light shade of blue

lazuline (adjective)	sky-blue (adjective)
	of a deep somewhat purplish blue color similar to that of a clear October sky