Zirkon
Zirkon, or Niina-3 is a resource rich habitable planet in Niina system.
During the First Era, Zirkon became one of the most prominent canters of Imperial industry with focus on shipbuilding, manufacturing, resource extraction and refinement.
Because of special natural chemicals in Zirkonian soil all human inhabitants of this planet are born with bleached white hair.
Sources
Imperial Informatorium
Behind the Scenes
Zirkon with its dystopian utilitarian brutalist look was designed to portray a stark contrast to sleek and clean Capitol of Limmea. This way it illustrates the colonial nature of the Empire where people on fringe worlds have to suffer so that the Imperial core could thrive.