To Select a Background Color for the Table

1.    Select the table or table cell for which you want to format a background.

2.    Right-click the table border, then select Format, or right-click within the table, then select Format > Table from the shortcut menu.
The Properties tab displays the table formatting options.

3.    Select the drop-down arrow next to Appearance > Background color. A list of available colors appears.

4.    Click the color you want to apply to the selected table or table cell, or click Custom, and then create a custom color, using the Swatches, HSB (Hue, Saturation, Brightness), or RGB (Red, Green, Blue) tab, and click OK.
If you know the RGB hexadecimal color reference, you can type the reference into the combo boxes next to the + and - buttons on the RGB tab.
Web Intelligence applies the background color to the selected table or cell.