listen to the pronunciation of off-color
Английский Язык - Английский Язык
Considered dirty, vulgar or obscene

an off-color joke.

Paper or ink which does not match the sample to top
A color mismatch (though very close to the correct color) due to wrong paint mixing or application
color variation from a sample or specification
not feeling well, pale, sickly
If you say that someone's performance is off-colour, you mean that they are not performing as well as they usually do. Milan looked off-colour but eventually took the lead in the 82nd minute
off-colour in AM, use off-color1. If you say that you are feeling off-colour, you mean that you are slightly ill. For three weeks Maurice felt off-colour but did not have any dramatic symptoms. = out of sorts
{s} faded; improper, risque; not completely healthy (British)