caramel vs dirty blonde

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. 

dirty blonde

adj
  • Of a dark blonde colour/color bordering on light brown. 

noun
  • A dark shade of blonde, bordering on light brown. 

  • A person with dark blonde hair. 

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