Saturnian worlds are cool dwarf jovians, which have a small core and an atmosphere which comprises most of the mass of the planet. They tend to have a low density, sometimes being less dense than water. The atmospheres are mostly hydrogen, though they may have methane and ammonia.
They tend to have rather bland atmospheres, normally shades of cream, white and light brown, and are quite easy to tell apart from the larger Jovic worlds. However, their atmospheres do tend to be active.