Rutian referred to one of the many skin tones of the Twi'lek species, generally denoting a color somewhere between dark blue and aquamarine. Other variations included teal and turquoise, these were among the rarest skin hues of Twi'leks, second only to the mutated red-skinned Lethans.
- Star Wars Episode I: The Visual Dictionary
- Star Wars: Episode I Insider's Guide
- Star Wars: The Complete Visual Dictionary
- Star Wars: The Clone Wars Character Encyclopedia
- The Phantom Menace: The Expanded Visual Dictionary