off-color vs tasteful

off-color

adj
  • Feeling mildly unwell. 

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

  • Different than usual. 

  • Of the wrong color. 

tasteful

adj
  • Having a high relish; savoury. 

  • Gay; fashionable. 

  • Having or exhibiting good taste; aesthetically pleasing or conforming to expectations or ideals of what is appropriate. 

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