Ebony (colour)

Ebony was a shade of black named after a form of wood.

The Eighth Doctor wore an ascot tie of ebony black dupioni during his travels with Cass Fermazzi. (AUDIO: Meanwhile, Elsewhere-Previously, Next Time)

The Ninth Doctor wore a double-breasted frock coat of ebony black moleskin while at the launch of the RMS Titanic in 1912. (TV: Rose, PROSE: Have You Seen This Man?)