I used a steak knife out of the kitchen. I just stabbed in through the ceiling and started cutting. Drywall is pretty easy to cut through. A drywall knife would cut the cleanest hole.
If you need to fix it take it to the hardware store to get the paint color matched, then you'll be able to buy a small $5 test pot of the custom paint.
If you need to fix it take it to the hardware store to get the paint color matched, then you'll be able to buy a small $5 test pot of the custom paint.