of color vs shaded

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. 

shaded

adj
  • Having a slight colour added (of a diagram or picture) or being slightly darkened as if in the shade. 

  • Being in the shade, not in direct light. 

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