I think this is what made BF3 beautiful...
Increased brightness and improved colors
• Download the latest ReShade Framework and extract it to a permanent location.
• Extract preset to \ReShade\PersonalFiles\Presets
• Launch ReShade Mediator.
• Add the game executable using the left box and select my preset using the right box.
• Click Apply at the top and close Mediator.
If you dont like CA, Lumasharpen or any other effect, just disable it in the Mediator.