Hello Everyone!
I am prototyping a 2D game in unity, And I am having trouble creating a bright, vibrant environment with simple shading. I am traditionally a 3D artist/Programmer so i'm having a hard time right now. I am having problems with color choices and
lighting and
lighting/shading. I was curious if anyone could point me in the right directions with tutorials they've seen, or maybe some feedback/critiques? I also posted some references for my what im trying to achieve below. ANy advice would be greatly appreciated
Below is the current scene i've made(ignore sun going through mountain

, collier issues):

Gif

Below are some really cool concepts I referencing in terms of style and shading. My goal is to create simple lighting and colorful, vibrant designs.
PONTUS ULLBORS:
Roberto Gatto:
