Sub Dates_Suivant_Couleur()
'
Dim C As Range, Rg As Range
With Worksheets("Feuil1")
For Each C In .Range("i1:i20")
If C.Interior.ColorIndex = 43 Then
If Rg Is Nothing Then
Set Rg = C
Else
Set Rg = Union(Rg, C)
End If
End If
Next
End With
Rg.Offset(0, -8).Value = DateSerial(Year(Date), Month(Date), 8)
Rg.Offset(0, -8).NumberFormat = "dd-mm-yy"
End Sub