Light gray or deep blue spring to mind, both would work with the roof and look great with the white trim and posts. Is the front door behind a screen door? I suggest removing the screened in porch, putting in a door with a floor to ceiling window in in, and painting it teal or sherbet orange if using gray exterior, or if using blue then pastel yellow.

Then in the back, demo the deck and put in a paver patio. Removed from the patio, build a fire pit surrounded by gravel with some Adirondack chairs. painted the same color as the front door.

Remove the shutters from the front windows. The windows on the front of this particular home are not sized right for shutters - particularly those that are there right now. Here is a brief article written by an architect to show you proper shutter sizing: https://www.lifeofanarchitect.com/residential-architecture-101-shutters/

Consider adding a decorative gable vent to both gables.