Green

Green was the official colour of mourning in Perfugium, as it symbolised death and a return to nature. (AUDIO: Master) Sontarans had green blood. (TV: The Two Doctors)

Many species had green skin, including Alpha Centaurans, Etydions, Foamasi, Ice Warriors, Jadeans, Jagaroth, Kleptons, Primitives, Rutans, Silurians, Swampies, Urbankans, and Vinvocci. Infant Chimerons and larval Wirrn were also green.

Stahlman's ooze was green. (TV: Inferno) The waste from Global Chemicals' oil-refining process was green. (TV: The Green Death) The sky of an Earth-like planet was green, (PROSE: The Sour Note) as was the sky of Arcopolis. (PROSE: The Eyeless)