off-color vs offensive

off-color

adj
  • Dirty, vulgar or obscene, especially in a way that is unpleasant. 

  • Feeling mildly unwell. 

  • Different than usual. 

  • Of the wrong color. 

offensive

adj
  • Causing offense; arousing a visceral reaction of disgust, anger, hatred, or indignation. 

  • Relating to an offense or attack, as opposed to defensive. 

  • Having to do with play directed at scoring. 

noun
  • An attack. 

  • The posture of attacking or being able to attack. 

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