colored person vs Negroid

colored person and Negroid both are nouns.

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

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

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

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

colored person (noun)	Negroid (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