Mikael Kalms, who is a programmer at DICE, said on MordorHQ that there would be a console option to disable color grading that will be released along with the Aftermath patch. It's not a tool, it's a console option like render.drawfps. So all color grading will be disabled and thermal and IRNV scopes will look very weird, like this: http://i.imgur.com/LYzvq.jpg