orange vs orangeness

orange and orangeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
orange	Yes	Yes	No	No
orangeness	Yes	No	No	No

As nouns, orange and orangeness are synonyms defined as:

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

orange (noun)	orangeness (noun)
orange color or pigment; any of a range of colors between red and yellow	orange color or pigment; any of a range of colors between red and yellow
round yellow to orange fruit of any of several citrus trees
any citrus tree bearing oranges
any pigment producing the orange color

orange (adjective)	orangeness (adjective)
of the color between red and yellow; similar to the color of a ripe orange