This is my second preset. I realized that my first wasn't really good, and was blurry. This preset aims to only get rid of the slightly green filter found on Assassin's Creed Revelations. I also had a bit of sharpening added, but if you don't want something that my preset has, or you want to add effects feel free to remove and add to it. Just don't re-upload. To get rid of the green filter, I used tonemapping.
Another note: The brightness of your monitor may be brighter or dimmer than mine. The in game screenshots I took were used with the brightness on 8/10. 7-9 worked great with 7 being a bit too dark. You should choose what works best for you.
Instructions: Download preset, place in the game dictionary, but not in any of the folders. An example would be "C:\Program Files (x86)\Steam\steamapps\common\Assassin's Creed Revelations"