hello @mattsaun, welcome to the Tulip Community!! it would be great if you could introduce yourself here: Welcome to the Community, let's meet!!
regarding your question, you could add a Timer Trigger that stores different colors in a Color Variable that you then display behind the Variable that the User selects. a Trigger like this will work well:
App Variables:
this will be the resulting App, with the color changing every 1 second:
does this help you in what you’re attempting to build?? let us know!!