Conditional Sum with Color (XL2000)

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Someone I work with wants to sum a range of cells only if the fill color is blue. Is there a way to create a formula that will do this? I have already created a VBA solution for him, but he is dead set on using a worksheet formula. Can it be done? I was trying to use the SUMIF formula, but couldn’t find a way to use a colorindex as the conditional criteria. Is it possible?

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There is no way to get the ColorIndex of a cell without using VBA. You could use a User Defined Function like the one below in a SumIf:

Public Function getcolorNum(oCell As Range) As Long
    Application.Volatile
    getcolorNum = oCell.Interior.ColorIndex
End Function

Unfortunately, Excel does not recognize a color change and a recalculate event, so if the only change is the color the formula is not going to recalculate.

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What about using the condition that the colour change is based on?

Cheers

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It can be done. But it involves quite some wizardry in XL!

Check out the sample spreadsheet I attached. Based upon my file Arg2Name.zip from

http://www.bmsltd.ie/mvp%5B/url%5D

Edited Mar 13th 2004 to update link

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