And it has positive connotations in financial circles, where it's better to be in the black than in the red. Lavender has become associated with homosexuality, as are pink triangles and black triangles and a certain set of colors laid out as rainbow stripes. Purple was once the color of royalty, though it's also the color of an enraged caucasian face. Blue means sad. Orange and green don't necessarily seem opposed until you learn that they're the colors of the Catholics and the Protestants in Ulster.
Color names are also amazingly varied.
And then there are modifiers applied to basic colors. And so on. There are a remarkable number of names for different kinds of off-white or light grey for dozens more than the above, visit any paint store. I recently looked through a Lands' End catalog for the first time.