Typically, the Plot Area sports no fill attributes, and thus shows the slide’s background. You can apply any fill to your chart’s Plot Area. The reason why you would like to do that is to highlight the Data Series and Gridlines that populate your chart’s Plot Area, especially if you have a busy slide background. In this tutorial, let us learn how to apply a solid fill to the chart’s Plot Area in PowerPoint 2013.
Learn how to apply solid fills to the Plot Area of a chart in PowerPoint 2013 for Windows.

