Even the best paint won t stick well to oil and dirt and there s lots of both on doors especially near the knob where dirty hands have pushed and pulled for years.
Brown oil paint for doors.
For example a light taupe door would pair well with white trim and brown siding.
Before filling holes or priming scrub the entire door with heavy duty household cleaner.
Even if your door is not too dirty give it a cleaning with soap and water and then rinse with clean water to remove any soap residue.
For doors that have older paint layers you will need a good primer to help the paint stick to the old layers.
If you are going to be painting over an oil based paint with latex you must first sand it lightly and prime it with a good gripping primer.
For metal doors such as a steel storm door work with oil based paint to stave off the formation of rust.
Find oil based exterior paint at lowe s today.