lily-white vs off-white

lily-white

adj
  • A shade of the color white. 

  • Pure, unblemished, immaculate. 

  • Of the Caucasian race; white. 

  • Innocent, having a reputation beyond reproach. 

off-white

adj
  • Of a very pale colour that is almost white. 

noun
  • A very pale colour that is almost white. 

How often have the words lily-white and off-white occurred in a corpus of books? (source: Google Ngram Viewer )