How would I make my lighting and post processing look more cartoonish?

Development Rendering
1

Have you looked into the Stylized Rendering example project from the learning tab in the laucher?

It’s not exactly the same style but it should be a good start in the right direction and the content covers all the necessary elements to create what you are trying to achieve. This will also help as well:

2

I’m trying to recreate a similar art style to games like Yooka Laylee: Image or Snake Pass: Image

How would I go about creating that lighting/ post processing that these games have?