How to FIX washed out / bright colors sprites without making changes in tonemapper or setting the scene unlit?

How to FIX washed out / bright colors sprites without making changes in tonemapper or setting the scene unlit?
(UE4 4.16.3)

The solutions in this video do not work : Unreal Engine 4 2D Platformer Tutorial - #07 Paper2D Asset Fixes - YouTube

I could set scene to unlit, but that will not work for future lighting things and such, so I don’t want to do that. Messing with tonemapper also is not option.