How and where i can change colors?

Question

https: //gyazo.com/e948209915f615245b0d67f072e1a330

I didnt see it in the code.. I see blue and orange color when i run the code (right), but where i can change it (left)?

Answer 1

https://gyazo.com/e948209915f615245b0d67f072e1a330