Hello. You could choose a roof under the color of the shutters. It would look quite not badly.

Hard to choose colors but i would lean to the Slate. It would work with brick and current shutter color but blend nicely with black and grays should you change shutters later. Hoping you also plan to trim back your overgrown shrubs as well. That will open things up a good bit. Then get some pots for flowers that repeat slate roof color. I mean gray/black pots. I would update exterior lighting too. Good luck!

Thank you both. I am looking at the colors available to me, and I see one called Colonial Slate - is that the slate that you suggested Flo Mangan? Yes, we have to work on the whole house - thanks for the other ideas too!