orangeness vs spectral color

orangeness and spectral color both are nouns.

Word	Noun	Adjective	Verb	Adverb
orangeness	Yes	No	No	No
spectral color	Yes	No	No	No

As nouns, spectral color is a hypernym of orangeness; that is, spectral color is a word with a broader meaning than orangeness:

orangeness: orange color or pigment; any of a range of colors between red and yellow
spectral color: a color that has hue

Other hypernyms of orangeness include chromatic color, chromatic colour, spectral colour.

orangeness (noun)	spectral color (noun)
orange color or pigment; any of a range of colors between red and yellow	a color that has hue