I have been having this problem for a while, however lately I have been trying to find ways to make my netbook perform better, visually and functionally.
When I use default Radeon graphic drivers, my colour profile seems to match that of the one on my Windows install, however when I install the Catalyst drivers, I get a washed out display that looks like the brightness is too high and the contrast too low.
I have playing around with the settings in the Catalyst Control Centre however I could not manage to get the right display.
I am using Catalyst 11.12 and my graphics card is an AMD Radeon HD 6310.
These settings work fine for me: