From North to South...

Caption NASA:"Dark and sharply defined ring shadows appear to constrict the flow of color from Saturn's warmly hued South to the bluish Northern Latitudes.
Scientists studying Saturn are not yet sure about the precise cause of the color change from North to South. NASA Voyager spacecraft flybys witnessed a more evenly painted Planet in the early '80s, when Saturn was closer to Equinox. However, the bluish color was readily apparent upon Cassini's approach to the Planet in late 2003, when Saturn was just coming out of its Northern Hemisphere Winter. Scientists have speculated that the color is due to seasonal effects on the atmosphere.
Aside from the color differences, the cloud morphology is quite different in the Polar Regions compared to the mid-latitudes. Bright, isolated clouds dot the high latitudes, while Saturn's middle is characterized by flowing cloud bands and the occasional bright or dark vortex.
This view looks toward the lit side of the rings from about half a degree below the Ring-Plane.

Images taken using red, green and blue spectral filters were combined to create this natural-color view. The images were obtained with the Cassini spacecraft wide-angle camera on Feb. 4, 2007, at a distance of approx. 1,2 MKM (about 700.000 miles) from Saturn. Image scale is roughly 67 Km (about 42 miles) per pixel".