You can use a solid color, a pattern, or a gradient fill
effect to customize the chart background.
You can also use an image as a background for a chart.
Procedure
- Click the chart object.
- Click the unlock button , select the chart body by clicking between the
axes, and, in the Properties pane, under Color &
Background, double-click the Fill Effects property.
- In the Effect box, choose a color,
a gradient fill effect, or a pattern:
- To remove a background fill effect, click None.