Green
From Tardis Wiki, the free Doctor Who reference
Sarah Jane Smith wore a celadon skirt suit when witnessing the Third Doctor's regeneration. (TV: Planet of the Spiders [+]Loading...["Planet of the Spiders (TV story)"], Robot [+]Loading...["Robot (TV story)"])
Celadon was a light shade of green named after a certain substance used to make art.[source needed]
Sarah Jane Smith wore a celadon skirt suit when she witnessed the Doctor's regeneration from his third incarnation to his fourth. (TV: Planet of the Spiders [+]Loading...["Planet of the Spiders (TV story)"], Robot [+]Loading...["Robot (TV story)"])
Jack Harkness wore a celadon green shirt when dealing with Suzie Costello's resurrection and second death after her treachery. (TV: They Keep Killing Suzie)
