Pink

Coral was a shade of orange, red, and pink named after a hard stony substance secreted by certain marine coelenterates as an external skeleton.

Melanie Bush wore a coral and ivory pinstripe shirt when she and the Seventh Doctor foiled the First Rani. (TV: Time and the Rani)

After his clothes were ruined by a Xaranti, (PROSE: Deep Blue) the Fifth Doctor wore tan trousers with coral stripes. (TV: The Awakening-The Caves of Androzani) His successor, the Sixth Doctor, wore them during his first hours; (TV: The Caves of Androzani) before changing for royal yellow trousers with black stripes. (TV: The Twin Dilemma)