silver medal vs silver-grey

silver medal

noun
  • A medal made of, or having the colour of, silver, given as a prize for finishing in second place 

  • Finishing in second position, being a runner-up 

silver-grey

noun
  • A shiny pale grey colour. 

adj
  • Of a shiny pale grey colour. 

How often have the words silver medal and silver-grey occurred in a corpus of books? (source: Google Ngram Viewer )