May 25, 2012 · EDIT II: To answer the question, people may associate puce with green because they confuse "puce" with "puke." This article , which asserts that Louis XVI coined "puce" to describe the color of one of Marie-Antoinette's dresses (which, truth be told, is a sort of pukey green) may lend credence to this theory.

Jun 6, 2013 · Here is the definition of off color in Chapman & Kipfer, Dictionary of American Slang, Third Edition (1995):. off color adj phr by 1875 Somewhat salacious; risqué; =BLUE: a couple of off-color jokes/ Some of his observations were a bit off color.