MarkerBackgroundColorIndex Property
From Microsoft Excel Visual Basic
MarkerBackgroundColorIndex Property
Returns or sets the marker background color as an index into the current color palette, or as one of the following XlColorIndex constants: xlColorIndexAutomatic or xlColorIndexNone. Applies only to line, scatter, and radar charts. Read/write Long.
Remarks
The following illustration shows the color-index values in the default color palette.

Example
This example sets the marker background and foreground colors for the second point in series one in Chart1.
With Charts("Chart1").SeriesCollection(1).Points(2)
.MarkerBackgroundColorIndex = 4 'green
.MarkerForegroundColorIndex = 3 'red
End With