Right click on your sheet tab, left click on View Code, and paste this in:
Private Sub Worksheet_SelectionChange(ByVal Target As Excel.Range)
Cells.Interior.ColorIndex = -4142
Target.EntireRow.Interior.ColorIndex = 8
End Sub
This will color the row you are in with a shade of blue.
or
If you want it to apply to all the worksheets in the workbook then right click on the excel icon next to FILE on the toolbar, left click on View Code and paste the following in:
Private Sub Workbook_SheetSelectionChange(ByVal Sh As Object, ByVal Target As Excel.Range)
Cells.Interior.ColorIndex = -4142
Target.EntireRow.Interior.ColorIndex = 8
End Sub
Rick