egg white vs off-white

egg white

noun
  • The clear part of an egg surrounding the yolk, which turns white when cooked or beaten. 

off-white

noun
  • A very pale colour that is almost white. 

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

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