I wanted a grimmer grittier old west feel to the game while still keeping the beautiful effects of the world around you.
First download ReShade here: https://reshade.me/
Follow the simple instructions and complete ReShade installation
Download my files and copy them into your Red Dead 2 directory (overwrite if asked)
The ReShade Should now be active, Press ‘Scroll Lock’ to Activate or Deactivate the effect
If the ReShade is not active do the following:
Press ‘Insert’ to bring up the ReShade menu
Select ‘Beautifully Grim Old West’ in the ReShade drop down menu in-game