Just a setting I threw together because I was sick of the washed out colors.
First download and install the GemFX standalone version found here:
https://www.patreon.com/GemFX
Here's a video in case you need help installing it:
https://www.youtube.com/watch?v=te7kd20XDVk&t=1s
After installing, then just download the setting in the link below and place it in the "current" folder located in the GemFX preset folder.
https://drive.google.com/file/d/1vb82GhvTbJbn3-gTeelJf4PACHnbiymf/view?usp=sharing