bluish green vs teal

bluish green and teal both are nouns.

Word	Noun	Adjective	Verb	Adverb
bluish green	Yes	Yes	No	No
teal	Yes	Yes	No	No

As adjectives, bluish green and teal are synonyms defined as:

Other synonyms of bluish green include blue-green.

As nouns, bluish green and teal are synonyms defined as:

Other synonyms of bluish green include blue green.

bluish green (noun)	teal (noun)
a blue-green color or pigment	any of various small short-necked dabbling river ducks of Europe and America
	a blue-green color or pigment

bluish green (adjective)	teal (adjective)
of a bluish shade of green	of a bluish shade of green