What color is the sky on Jupiter?

It is probably blue. "Natural" color of the sky is the consequence of Rayleigh scattering which is due to the small size of molecules in the atmosphere and their effect of scattering blue light while reddish light travel through it easier. read more

Jupiter, Saturn, Uranus, Neptune : It is assumed that the day sky is typically a shade of blue from each of these planets. Since they are gas giants and do not have a defined surface, it is hard to distinguish between when you are "inside" the planet or inside just the planet's atmosphere. read more

Color images taken by the Soviet Venera probes suggest that the sky on Venus is orange. If the Sun could be seen from Venus's surface, the time from one sunrise to the next (a solar day) would be 116.75 Earth days. read more