Define Flat Black Meaning

one of the sexiest colors around
in paint there is a few finishes of the colors, there is gloss, semi gloss, satin, and then there is flat. (there is more, i know there is, but those are the basic)
its a non reflective surface and there is almost no shine to it.

A disease that causes you get black spots most commonly on one forearm, but sometimes on both over night and most certainly causes death within 2 days. Not enough is known to establish the root of this rare disease.