blue-eyed boy vs fair-haired boy

blue-eyed boy

noun

  • The favourite, especially a young one, of especially someone in power; a fair-haired boy (US), (Australian) 

  • Used other than figuratively or idiomatically: see blue, eyed, boy. 

fair-haired boy

noun

  • Someone's favourite, especially a young one; a blue-eyed boy (British), (Australian) 

How often have the words blue-eyed boy and fair-haired boy occurred in a corpus of books? (source: Google Ngram Viewer )