auburn vs red lemonade

auburn

noun
  • A dark reddish-brown colour, often used to describe hair colour. 

adj
  • Of a reddish-brown colour. 

red lemonade

noun
  • Lemonade coloured with natural food colouring, giving it a red appearance and a slightly sweeter taste. 

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