The one-of-a-kind 2015 Mustang has been modelled after the Saturn V rocket, which ferried the Apollo modules -- and human passengers -- out beyond low-Earth orbit, and from thence the moon. To date, it's the only rocket ever built that's capable of doing so.
The car's body is white, with black on the roof and hood. This is reminiscent of the Saturn V's roll pattern markings. These black-and-white patterns are painted on rockets to make it easier to gauge if the rocket is rolling