Alabaster
Alabaster was a shade of white named after a substance used for art and crafts.
The Eighth Doctor wore an alabaster t-shirt under his double-breasted peacoat of navy blue leather. (AUDIO: Fugitives, etc.)
The War Master wore an alabaster shirt with his olive green tweed jacket, his mustard yellow moleskin waistcoat, and his burgundy bow tie. (AUDIO: Killing Time)
Tegan Jovanka wore an alabaster jacket. (TV: Arc of Infinity-Enlightenment)
Rani Chandra wore an alabaster t-shirt. (TV: The Empty Planet)
Yasmin Khan wore an alabaster jumper with a turtleneck collar under her black leather jacket. (TV: It Takes You Away; COMIC: The Everlasting Summer)
Wrack, the leader of the Eternals on the Buccaneer, wire an alabaster shirt under a bronze brocade vest. (TV: Enlightenment)
The Curator, a future incarnation of the Doctor, wore an alabaster shirt when he looks similar to an older version of the Sixth Doctor. (AUDIO: Crossed Lines)