expression.TintAndShade
expression Required. An expression that returns a ColorFormat object.
Remarks
You can enter a number from -1 (darkest) to 1 (lightest) for the TintAndShade property, 0 (zero) being neutral.
Example
This example creates a new shape in the active document, sets the fill color, and lightens the color shade.
Sub NewTintedShape()
Dim shpHeart As Shape
Set shpHeart = ActiveDocument.Shapes _
.AddShape(Type:=msoShapeHeart, Left:=150, _
Top:=150, Width:=250, Height:=250)
With shpHeart.Fill.ForeColor
.RGB = RGB(Red:=255, Green:=28, Blue:=0)
.TintAndShade = 0.3
End With
End Sub