To achieve your requirement, you can use RadCartesianChart with two BarSeries - one for green and one for the red bars. In order to place the bars one on top of the other, you can set the CombinMode property of the series to Stack. Then you can use the DefaultVisualStyle of PointTemplate property of the series in order to apply a Shadow effect that represents the blurriness behind the red bars.
I hope this helps.
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