You can reset the color of a row or a column if you have changed the color.
Procedure
Activate the Start tab bar if not already selected.
Click in a row or column header.
Select multiple rows or columns by holding down the Shift key and clicking the first and last row or column. You can select rows or columns that are not adjacent by holding down the Ctrl key.
Click Fill color. The color palette opens.
Click Reset.
You have reset the color of the selected rows or columns to their original color.