Hello. I have that scene and I want to get more “cartoonish” and beatyful light:
All lights are movable, lumen is enabled. List of light sources:

Post-processing have two materials: outliner and cel-shading:

And there is a problem: with cel-shading 0.01 value the scene seems like too bright (first picture) but with disabled cel-shading the scene is too dark:
I tried to compensate it with sky light intensity scale but result is not so good. How can I improve light in my scene?