Hazel

Hazel was an eye colour. Hazel eyes were typically a mix of green and brown, but could also be a mix of gold and brown. They were sometimes referred to as "hazel-green". (PROSE: The Reproductive Cycle, Who Killed Kennedy)

The Thirteenth Doctor had hazel-coloured eyes, (TV: Twice Upon a Time) as did Jo Grant. (TV: Terror of the Autons, PROSE: Nightdreamers)