Private Sub Worksheet_BeforeDoubleClick(ByVal target As Range, cancel As Boolean)
With Range("O14:T18")
If Not Application.Intersect(target, .Cells) Is Nothing Then
.Cells.Font.Color = IIf(.Cells.Font.Color = vbBlack, RGB(128, 128, 128), vbBlack)
cancel = True
End If
End With
End Sub