Okay, now it's your turn. It'll be a bit of a Choose Your Own Adventure™, because there are plenty of places to do the same thing.

• Add a action and the associated reducer logic for one of the other adjustments.
• Add the reducer logic and then an action for when a user clicks on one of the related colors or one of the saved colors. ColorChangeSwatch is a button just waiting for an onClick event handler.

I'll do the latter in the solution.