The designer probably used these colors because they thought it looked cool. Stop it. Make it because it’s right, because it has meaning, because it will help users solve a problem, or because it will help sell your product. Don’t do it just because it looks cool!
When I was younger, I read all the blogs, and decided I was going to turn myself into a Jack Dorsey-like machine. I tried being at my computer by sunrise, writing blog posts. It did not work. I was angry, unmotivated and a real pain in the ass to be around.