off-color vs indelicate

off-color and indelicate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
off-color	No	Yes	No	No
indelicate	No	Yes	No	No

As adjectives, off-color and indelicate are synonyms defined as:

off-color and indelicate: in violation of good taste even verging on the indecent

Other synonyms of off-color include off-colour.

off-color (adjective)	indelicate (adjective)
humorously vulgar	lacking propriety and good taste in manners and conduct
in violation of good taste even verging on the indecent	verging on the indecent
	in violation of good taste even verging on the indecent