I've got a very large PowerPoint presentation that pulls from several different excel workbooks. In most of the sections the charts are pulled from the same worksheet so the color order for the charts is consistent. In 2 of the sections they come from multiple sheets where the total column comes from a worksheet in the back of the workbook and this (I'm assuming this is the reason) changes the color of the chart columns to brown instead of the light green in the rest of the presentation. Is there any way to force PowerPoint to re-order the colors so I've got consistent colors throughout the presentation.

Thanks
Brian