How to: Change the background color of a worksheet cell.
Solution:
Select the cell(s) and select 'Cells...' from the 'Format' menu. Click the 'Patterns' tab and select the color from the 'Color' box.
1) Click on the desired cell.
2) Select the 'Format' menu and select 'Cells...'. (The Format Cells dialog box appears.)
3) Click the 'Patterns' tab.
4) Select the desired background color from the 'Color' box.
5) Click 'OK'.