The following example sets the fill color for a chart backdrop brush. The FillColor property returns a reference to the VtColor object.
Private Sub Command1_Click()
' Sets Backdrop to Fill - Brush Style.
MSChart1.Backdrop.Fill.Style = VtFillStyleBrush
' Sets chart fill color to red.
With MSChart1.Backdrop.Fill.Brush.FillColor
.Red = 255 ' Use properties to set color.
.Green = 0
.Blue = 0
End With
End Sub