Gradated Fog in editor?

Hi guys

I’m trying to achieve [this][1] effect in engine, I fiddled around with particles with a mixture of fog and got a result, but it’s noway near what I want to achieve, could you guys assist me on trying to reach it?

This is the state it’s currently in, which was me just flinging ideas at it, there’s no colour correction on it either:

Did you try Exponential Height Fog?

Yeah, unfortunately it doesn’t give a huge amount of control in terms of multiple colours. I just reverted to tweaking my particles using a colour over life node in the end. This was the result: