Gunmetal (colour)
Gunmetal was a dark shade of grey.
Yasmin Khan wore a gunmetal skirt with Japanese wave symbols as part of her pirate outfit. (TV: Legend of the Sea Devils)
When the Third Doctor encountered a new Dalek command structure, Dalek drones were identified by their gunmetal grey casings. (TV: Day of the Daleks, Frontier in Space, Planet of the Daleks, Destiny of the Daleks) The Renegade Daleks had gunmetal and black casings. (TV: Resurrection of the Daleks, Revelation of the Daleks, Remembrance of the Daleks)
The Saxon Master wore gunmetal grey cargo trousers while in hiding. (TV: The End of Time)
The Ninth Doctor wore a gunmetal grey jumper with a v-neck collar. (COMIC: Official Secrets)
Donna Noble wore a gunmetal grey sweater dress. (TV: Turn Left, The Stolen Earth|Journey's End)
Shockeye and the Second Doctor, partially converted to an Androgum, wear gunmetal grey top hats when going out for a meal on Spain during the year 1985. (TV: The Two Doctors)