I couldn’t find much in the way of making fog in UE4 that changes color based on distance, for stylized environmental effects as seen in Journey and Firewatch - So I made a video about it! It’s pretty easy to get your head around and I really like the effect, so I hope this helps some people out 
Check it out here:
Thanks for watching!
It’s cool that there’s a full video tutorial there thanks to you!
Me and Rgizhave achieved pretty similar results year earlier.
https://answers.unrealengine.com/que…-material.html
I wonder why haven’t you seen it.
Our fog was recreated by Christoffer Radsby
in this scene https://www.artstation.com/artwork/YnBAY
I’m loving this I got a lot of cool ideas for how to use this. Time to go get lost for hours lol