Beige
From Tardis Wiki, the free Doctor Who reference
Beige was a light form of yellow.
Sarah Jane Smith wore beige shirts. (TV: The Last Sontaran, The Mad Woman in the Attic)
Emily Morris wore a beige walking skirt with her cream waistcoat, her white shirt and her ivory cravat when she met Sarah Jane. (TV: Lost in Time)
Herr Drosselmeyr wore a beige coat. (PROSE: Another Clockwork Iris)