bronze yellow vs caramel

bronze yellow

adj
  • Of a yellowish brown colour, like that of bronze. 

noun
  • A yellowish brown colour, like that of bronze. 

caramel

adj
  • Of a yellow-brown color. 

noun
  • A yellow-brown color, like that of caramel. 

  • A smooth, chewy, sticky confection made by heating sugar and other ingredients until the sugars polymerize and become sticky. 

  • A (sometimes hardened) piece of this confection. 

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