Teal

Teal was a fusion of green and blue.

The Sixth Doctor wore a teal cravat with cream polka dots on basic bow form. (TV: The Twin Dilemma, Attack of the Cybermen, Vengence on Varos, Mark of the Rani, The Two Doctors, etc.)

Martha Jones wore a teal blouse under her white lab coat (TV: Smith and Jones) or her maroon leather jacket (TV: The Infinite Quest)

Sarah Jane Smith wore a teal blouse. (TV: Warriors of Kudlak)

Amy Pond wore a teal trenchcoat during her encounter with Vincent Van Gough. (TV: Vincent and the Doctor)

The Eighth Doctor wore an ascot tie of dark teal dupioni. (COMIC: The Lost Dimension)