orange vs red-yellow

orange

adj
  • Having the colour of the fruit of an orange tree; yellowred; reddish-yellow. 

verb
  • To color orange. 

  • To become orange. 

noun
  • An orange-coloured and orange-flavoured cordial. 

  • An orange-coloured and orange-flavoured soft drink. 

  • Orange juice. 

  • An evergreen tree of the genus Citrus such as Citrus sinensis. 

  • The colour of a ripe fruit of an orange tree, midway between red and yellow. 

  • The fruit of the orange tree; a citrus fruit with a slightly sour flavour. 

red-yellow

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