https://s.castle.xyz/ki-hNIhj17Ng Here's the tutorial if you want to.

This is quite simple, it's not difficult. First, take the color that's there, take a second frame, look where the color is, take the dark tone next to it, and that's it.

It's easy, just take the original color, see where the color falls, and take a darker shade of that same color, and you're done.

I like how you made this “official” switch colors, looks like flashing text