(obsolete) By comparison to red (communist), describing someone who sympathizes with the ideals of communism without actually being a Russian-style communist: a pinko.
“She was wearing a sleeveless dress the color of a grapefruit, the pinkest of peonies.”
“The Crunchie was launched in 1929 and, in certain situations, it hits the spot better than the creamiest cheese, better than the pinkest lamb.”
“And you can! If, as Russell Baker once suggested, the white race is not really white but pink, surely the Brits are the pinkest of all, and the clientele at Rules the pinkest of the pink.”