colored person vs Negro

colored person and Negro both are nouns.

Word	Noun	Adjective	Verb	Adverb
colored person	Yes	No	No	No
Negro	Yes	No	No	No

As nouns, Negro is a hypernym of colored person; that is, Negro is a word with a broader meaning than colored person:

colored person: a United States term for Blacks that is now considered offensive
Negro: a person with African ancestry, "Negro" and "Negroid" are archaic and pejorative today

Other hypernyms of colored person include African-American, Black, Negroid, Black person, blackamoor.

colored person (noun)	Negro (noun)
a United States term for Blacks that is now considered offensive	a person with African ancestry, "Negro" and "Negroid" are archaic and pejorative today