ThreeDFormat.ExtrusionColor (Word)

Returns a ColorFormat object that represents the color of the shape's extrusion.

Dim docActive As Document 
Dim shapeNew As Shape 
 
Set docActive = ActiveDocument 
Set shapeNew = docActive.Shapes.AddShape(msoShapeOval, _ 
 90, 90, 90, 40) 
With shapeNew.ThreeD 
 .Visible = True 
 .Depth = 50 
 ' RGB value for purple 
 .ExtrusionColor.RGB = RGB(255, 100, 255) 
End With