Beige
Beige was a light form of yellow.
The War Doctor wore a beige scarf when he, Fey and the Sisterhood of Karn fought the Daleks and the Morlontoa of the Seventh Sky on the Dorian Nexus. (COMIC: The Clockwise War)
The First Doctor wore a beige tweed waistcoat. (TV: An Unearthly Child, The Daleks, et al.)
The Seventh Doctor wore a beige pullover adorned with crimson question marks and turquoise zigzag patterns. (TV: Time and the Rani)
Sarah Jane Smith occasionally wore beige shirts. (TV: The Last Sontaran, The Mad Woman in the Attic)
Yasmin Khan wore a beige waistcoat with her ivory shirt and her bottle green walking suit. (TV: Survivors of the Flux|The Vanquishers)
Barbara Wright often wore a beige turtle-neck jumper. (TV: The Keys of Marinus, The Web Planet, The Space Museum, The Chase, etc.)
Emily Morris wore a beige walking skirt. (TV: Lost in Time)
Petronella Osgood wore a beige jumper when she and the Twelfth Doctor work to stop the Zygon rebels Truth or Consequences. (TV: The Zygon Inversion|The Zygon Inversion)
The Fifth Doctor wore a beige frock coat. (TV: Castrovalva-Warriors of the Deep)
Romana wore beige jodhpurs with her scarlet frock coat, her ivory stock tie, her white shirt, and her brown boots. (TV: The Horns of Nimon) She also wore a beige frock coat. (TV: State of Decay)
Amy Pond wore a beige leather jacket. (TV: The Girl who Waited)
The Dream Lord wore a beige waistcoat with his tweed suit when he taunts the Eleventh Doctor, Amy Pond, and Rory Williams during the beginning of the Eknodine assault. (TV: Amy's Choice)
Herr Drosselmeyr wore a beige coat. (PROSE: Another Clockwork Iris)