Rare is the person who finishes a project with a perfectly empty paint can. Rather resign the paint to life on a basement shelf, use the leftovers to provide interesting colour accents in unexpected places.
Home and design blog Re-Nest shares several ways you can use the last bit of your paint to add unexpected and interesting splashes of colour around the house:
Paint your bathroom's pipes: Try red pipes in an all white bathroom for an unexpected knock of colour.
Paint your baseboards: Run the colour around the whole room or only along one wall.
Breathe new life into an old dresser: Paint a drawer front or two.
Check out the full list at the link below or, if you're trying to preserve your paint for future touch ups, check out how to properly store paint for a maximum shelf life and use a water bottle and a marble to store small amounts of touch up paint.
10 Ways To Use Up Leftover Paint [Re-Nest]