Grazian

The Grazian were a spacefaring species and members of the human-run Alliance and presumably native to the planet Graegan.

Biology
The Grazians were a hefty-looking humanoid species that possessed pale-lime green skin, purple nails and purple tendrils similar to hair.

History
In the future, the Grazians formed an interspecies government known as the Alliance with humanity and another species.

After humanity provoked an aggressive species known as the Hurde through the thefts of their technology, the Hurde launched a war of annihilation on humanity and their allies.

The Grazians blamed the humans for their plight as their world was next to be destroyed, but had no choice to fight the alien invaders as the Hurde accepted no surrender.

After humanity tried to bomb the Hurde leadership under a guise of truce to prove that the war was started by the lower caste of the Hurde, the Hurde then used their technology to cause Graegan's sun to go supernova.

The species was presumably wiped out by the radiation, whilst others may have gave themselves to the Hurde to be processed and assimilated into new drones.