Sub Filter_by_Color()
Dim i%
' Column B has the conditional formatting
' Column C will hold the color numbers
For i = 2 To Range("b" & Rows.Count).End(xlUp).Row
Cells(i, 3) = Cells(i, 2).DisplayFormat.Interior.Color
Next
[a:c].AutoFilter 3, 8444158 ' shade of orange
End Sub