Silver (colour)

Silver was a light shade of grey named after the substance.

On Susan Foreman's home planet, there were trees with silver leaves. (TV: The Sensorites, PROSE: The Sensorites) The Tenth Doctor later mentioned that Gallifrey had trees with silver leaves. (TV: Gridlock)

The Eighth Doctor wore a double breasted waistcoat of silver paisley-brocade. (TV: Doctor Who)

Some Daleks had silver casings with blue globes. (TV: The Daleks, The Dalek Invasion of Earth, etc.)

The Cybermen were silver in colour. (TV: The Moonbase, The Invasion, Earthshock, Silver Nemesis, etc.)

wore a silver waistcoat. (TV: Survival)

The Saurians had silver scales. (PROSE: Lords of the Galaxy)

Silver was a common colour for duct tape. (TV: The Woman Who Fell to Earth)