navy vs blueness

navy and blueness both are nouns.

Word	Noun	Adjective	Verb	Adverb
navy	Yes	No	No	No
blueness	Yes	No	No	No

As nouns, blueness is a hypernym of navy; that is, blueness is a word with a broader meaning than navy:

navy: a dark shade of blue
blueness: blue color or pigment; resembling the color of the clear sky in the daytime

Other hypernyms of navy include blue.

navy (noun)	blueness (noun)
a dark shade of blue	blue color or pigment; resembling the color of the clear sky in the daytime
an organization of military vessels belonging to a country and available for sea warfare