You can fill shapes, tables, table cells, chart elements, or slide backgrounds with a solid color. Use the Graphic inspector to fill an object with a solid color.
Select the object.
Click Inspector in the toolbar, and then click the Graphic Inspector button.
Choose Color Fill from the Fill pop-up menu.
Click the color well below the Fill pop-up menu to open the Colors window, and then select a color in the Colors window.
To learn more about using the Colors window, see The Colors Window.