Battlefield 3 will allow advanced users to fiddle with colour grading as of the next patch, replacing an banned mod.
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“There will be a console command for disabling the color grading entirely in the game included with the next PC game client update,” DICE’s Mikael Kalms wrote on the MordorHQ forum
Kalms said that DICE won’t be adding a menu option to switch off colour grading, because it can’t support “questions and bug reports regarding stuff that happens when color grading is disabled”.
He also noted that disabling colour grading “gives no major competitive advantage/disadvantage” although it does mean items like the IRNV scope won’t work any more “and will look real ugly”.
The option to disable colour grading is apparently in high demand; a recent mod which allowed it proved quite popular, but DICE warned that those using it would be banned.
~ Source