The Peljenites are a spacefaring species. They have lavender skin.
In 2371, Benjamin Sisko negotiated with Peljenite representatives on Deep Space 9 and pursuaded them to exchange ambassadors with the Federation. (DS9 episode: "Family Business")
A Peljenite worked in the research station on Bersallis III in 2375. (ST - New Worlds, New Civilizations short story: "Ashes, Ashes")