Vermilion

Vermillion was a shade of red and orange.

The Predator Dalek casing's base unit was coloured in a deep, metallic vermillion with black sensor globes. (PROSE: Engines of War)

Sarah Jane Smith wore a vermillion shirt when she met Judoon Captain Tybo and the rogue Veil Androvax. (TV: Prisoner of the Judoon)

Martha Jones wore a vermillion tank top. (TV: 42)

Some Sontarans including Lieutenant Vorn wore vermillion helmets. (HOMEVID: Shakedown: Return of the Sontarans; PROSE: Shakedown)