Amber (colour)

Amber was a shade of yellow named after a substance.

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)

The Sixth Doctor's coat had a right lapel done in amber. (TV: The Twin Dilemma, onwards)

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)