colorize vs complexion

colorize

verb
  • To add color to. 

  • (Canadian spelling, acceptable) To convert black and white media to color by digital post production (as is often done in digital photography and in video special effects). 

complexion

verb
  • To give a colour to. 

noun
  • Outlook, attitude, or point of view. 

  • The quality, colour, or appearance of the skin on the face. 

  • An arrangement. 

  • The outward appearance of something. 

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