Years ago, in The Other Place, there was someone with the sig line, "I'm only wearing black until I can find something darker." According to this article, that something has arrived. Scientists created a paint so black it makes cars look like silhouettes | TechSpot https://share.google/s4mhHhNZYz3vZjUga Granted, it's auto body paint, but I'm sure someone will figure it out a way to turn it into a cloth dye. I See A Great Need.