You don't understand the Bulbasaur line gyaru gijinka NEEDS to have a tan! The whole reason why the concepts works so well is the Bulbasaur line are grass types, who eventually learn Solar Beam. They are known for basking in the sun, like someone does when tanning. Stop making them pale!
Sorry, I'm just tired of seeing folks who are unable to parse the joke being made in pokopia, and thus render art that puts that ignorance on fully display. It makes it seem like it was just a random design choice, and not an inspired and brilliant design choice.