of color vs shady

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. 

shady

adj
  • Causing shade. 

  • Abounding in shades. 

  • Mean, cruel. 

  • Overspread with shade; sheltered from the glare of light or sultry heat. 

  • Not trustworthy; disreputable. 

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