If Target = Range("Taux_site2") Then
With Shapes.Range(Array("Axe_site2"))
Cas_Taux_Site2 = Range("Taux_Site2").Value
Select Case Cas_Taux_Site2
Case Is >= Range("Min_rouge")
.Line.ForeColor.RGB = RGB(255, 102, 0)
Case Is >= Range("Min_orange")
.Line.ForeColor.RGB = RGB(255, 153, 0)
Case Is >= Range("Min_vert")
.Line.ForeColor.RGB = RGB(0, 255, 0)
End Select
End With
End If