Select Back Fill on the Radial Gauge Properties dialog box to set a background color on the radial gauge. When the frame shape is set to a custom circular, semi-circular, or quarter-circular frame style, you can only specify a color for the frame.
Select a fill effect for the chart element.
Solid Fills the selected chart element with a solid color.
Gradient Fills the chart element with two colors that gradate.
Pattern Fills the contents of this chart element with two colors that form a pattern.
Select a fill color.
Select a secondary fill color. Only applicable when Gradient or Pattern is selected.
Select the gradient style. Only applicable when Gradient is selected.
Select the pattern style. Only applicable when Pattern is selected.