Install the latest Reshade


And either put the files inside bin/x64/witcher3.exe if you use direct 11 or bin/x64_dx12/witcher3.exe if you use direct 12

More brightness for visibility in dark spaces
and more sharpness for extra texture detail

This one is the original, but i recommend using the new version if you dislike the darker tone and want more clarity.

Fully makes the colors pop out

My best attempt on making the game photo realistic