The man's uniform was stained black, as was his skin.

And part of the floor was stained almost black.

They were all a rich varnished oak, stained nearly black.

The water was stained brown and black, but after a time it began to run clear.

They are a bright brown color, and will stain black when injured.

The front of the old man's warm-up jacket was stained black.

The stone below was stained black with blood in several places.

The bottom of her dress, a rich green, was by now stained black with blood.

A twin-bed mattress, stained black with what looks like oil?

Furthermore, the teeth may be stained brown or black from tobacco smoke.