Sounds like someone just watched Unbreakable for the first time.

Super heroes are red and blue, super villains are green and purple.

So:

Hero: https://upload.wikimedia.org/wikipedia/en/3/35/Supermanflying.png

Villain:
https://superheroeseveryday.files.wordpress.com/2021/11/149-luthor-new-costume.jpg

Hero:
https://upload.wikimedia.org/wikipedia/en/2/21/Web_of_Spider-Man_Vol_1_129-1.png

Villain:
https://upload.wikimedia.org/wikipedia/en/thumb/6/6c/Green_Goblin_Comic_Art_by_Luke_Ross.webp/279px-Green_Goblin_Comic_Art_by_Luke_Ross.webp.png

So I know what you're thinking... "What about Hulk? Green skin, purple pants, why is he a hero?"

https://superbromovies.com/2018/05/02/the-hulk-and-the-incredible-colors-of-a-villain/

"Simple: he wasn’t originally the hero. In the early issues of the character, the Hulk was more of a villain, destroying everything in his path and Dr. Bruce Banner was the hero of the story."

Rayman has entered the chat

This adds up really nicely with the newest video of Razbuten "How Games Make Villains Sound Evil"

Link: https://youtu.be/nwOaDJcFgXw

One of my favorite videogame analysis channels