Here is one way

'----------------------------------------------------------------
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
'----------------------------------------------------------------
Cells.FormatConditions.Delete
With Target
.FormatConditions.Delete
.FormatConditions.Add Type:=xlExpression, Formula1:="TRUE"
.FormatConditions(1).Interior.ColorIndex = 36
End With

End Sub


'This is worksheet event code, which means that it needs to be
'placed in the appropriate worksheet code module, not a standard
'code module. To do this, right-click on the sheet tab, select
'the View Code option from the menu, and paste the code in.


--
HTH

Bob Phillips

(remove nothere from email address if mailing direct)

"garr" wrote in message
...
When I click on a particular cell i want it to change to a particular
color
and when i click on it again i want it to change back to the original
color