Amber (colour)
From Tardis Wiki, the free Doctor Who reference
Amber was a colour.
Polyethersulfone was slightly amber in appearance. (TV: Time and the Rani)
Karagulans had amber-coloured eyes. (PROSE: The Colour of Darkness) The eyes of the humanoid inhabitants of an Earth-like planet were dull amber. (PROSE: The Word of Asiries) Asheya had amber eyes. (PROSE: The Queen of Eros)
In the 20th century, Torchwood Three found a deep-lavender emotional amplifier. It pulsed amber when it detected love, amplifying it into lust. (PROSE: Slow Decay)