color up vs crimson

color up

verb
  • To blush (to go red). 

  • To exchange a high number of low-value chips (of one color) for a lower number of higher value (of a different color), but keeping the same overall value. 

crimson

verb
  • To become crimson or deep red; to blush. 

  • To dye with crimson or deep red; to redden. 

adj
  • Having a deep red colour. 

  • Immodest. 

noun
  • A deep, slightly bluish red. 

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