Adaptive pigmentation was a coating system that allowed painted surfaces to alter their colors based on electrical impulses run through them. The idea was functionally similar to the Hull Polarization Generator used on the Yavin made XJ9D X-Wing starfighter used by the elite Dragon Squadron. This use was hardly perfect, however; Even the most advanced computers could not truly keep up with a rapidly moving environment, and while the color and shape of a ship thus camouflaged could not be seen, the motion of the ship would appear to an observer as a moving ripple against the background.