nonwhite vs of color

nonwhite

adj
  • Not belonging to the white race. 

  • Not associated with white people. 

  • Not white in color. 

noun
  • A person who is not white. 

of color

adj
  • Nonwhite; of a race other than white, for example black. 

  • Belonging to a category of people with mixed black and white ancestry in the Americas in the 18th and early 19th centuries. 

How often have the words nonwhite and of color occurred in a corpus of books? (source: Google Ngram Viewer )