I have two different color schemas for the editors (Solarized Dark and Light) and I would like to be able to switch with a shortcut. Is this possible?
You can use Ctrl+` or ⌘` (that's the back quote - top left of keyboard) to open a popup menu that allows you to switch color schema, code style schema, keymap or look and feel. Note that the numbers in the popup can be used make a selection. You can remap its shortcut in Settings > [IDE Settings] > Keymap > Main Menu > View > Quick Switch Schema.
Natively this will take 3 key sequences:
If this is something you do a lot and want to do make it even more efficient (although I do not think the above is too complex), you can record a macro (Edit > Macro) to make the change. You can then map it to a shortcut in the Keymap settings. You'd have to record two macros, one for each of the two schemes.