The term "Rutian" described a specific skin coloration among the Twi'lek species, typically signifying a blue color.
Notable Rutian Twi'leks were Aayla Secura, a Jedi Master; Vix Fonnick and Eldra Kaitis, both Jedi Padawans; Ann Gella and Tann Gella, who were twin masseuses; Gobi Glie, of the Twi'lek Resistance; Isval, who fought with the Free Ryloth Movement; Kaasha Bateen, a strategist for the Free Ryloth movement; Yendor Brethen, a Rebel pilot; and Orn Free Taa, a Senator within the Galactic Republic.
In the Star Wars: The Complete Visual Dictionary, New Edition reference book from 2018, specifically on page 19, the word "Rutian" appeared with the misspelling "Ruttian."