“I like it. Those are so similar to the colors I use, not too saturated, not too dim, not too bright, not too loud. (And it's hard to find a good yellow)” OP d

“I like it. Those are so similar to the colors I use, not too saturated, not too dim, not too bright, not too loud. (And it's hard to find a good yellow)” OP didn’t choose the colors, they’re copied from Flat UI (hence the name of the site).