also could be done with shaders, you could find some tutorials that instruct exactly this kind of effect that you seek.
checkout link below:
https://www.tomlooman.com/unreal-engine-outline-multi-color-post-process/
also could be done with shaders, you could find some tutorials that instruct exactly this kind of effect that you seek.
checkout link below:
https://www.tomlooman.com/unreal-engine-outline-multi-color-post-process/