Forum Moderators: not2easy
Do other colors on your system display correctly? If not, the problem is with the hardware-- the graphics card, monitor/display, or cable. Suspect this in particular if it is a sudden change, i.e. everything looked fine an hour ago but now everything's terrible.
so what does that mean?
Open your graphics in photoshop.
go to levels
see the middle slider?
move it above 1.8 towards 2.2 if the bulk of your sites visitors are PC users, but this will make you images look washed out to mac users.