Scarlet

Members of the Prydonian Chapter were distinguished from the other Chapters by their scarlet and orange robes. (TV: The Deadly Assassin)

Gwen Cooper wore a scarlet shirt throughout the 21st century Dalek invasion. (TV: The Stolen Earth, Journey's End)

The Tenth Doctor wore a scarlet shirt. (TV: 42)

The Twelfth Doctor wore a scarlet dress shirt. (TV: The Pyramid at the End of the World)

During his 'child form', the Master wore a scarlet shirt under his black jacket. (COMIC: The Organ Grinder)

The Monk wore a scarlet robe. (PROSE: The Persistence of Memory)

Eve's skin was scarlet. (TV: The Mad Woman in the Attic)