contour (surface) chart and gradient series colors


New Member
Mar 4, 2010
OK, complicated question. I'm trying to create a contour plot (one of the 2D surface charts) that shows a gradient of colors in the plot. As in, I want 100 different colors used in the plot area. BUT...

I only want 10 basic colors shown in the legend as a reference.

I got the 10 colors in the legend by adjusting the MaximumScale to 1 and the MajorUnit to 0.1. And the plot will differentiate between measurements (z-values) whose values change by only 0.01. The problem is the colors being assigned to the series.

How do I assign a gradient of color to values from 0.01 to 1.00 using VBA? Right now I'm assigning color to one series with the following code:


I'd prefer to just transition the color from solid brown to white. Or from 100% color A and 0% color B if z-value=0.01 and 0% color A and 100% color B if z-value=0.99.



New Member
Mar 4, 2010
Right now this is what I've got:

for i=1 to ActiveChart.SeriesCollection.Count
With ActiveChart.SeriesCollection(i).Format.Fill.ForeColor
End With

Next i

The result, though, is 10 different series (which is correct) that are all a black color. If I comment out the TintAndShade line, all 10 turn light blue. I'd like a gradient from dark blue to white.
Last edited:

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