Have multiple "recent" colors for cell fill and text in the ribbon at all times
In a given workbook, I frequently use several different colors over and over again for both fill and text. Wouldn't it be great to have those few colors constantly in the ribbon rather than simply the last? Even having just one extra color (last used and second to last used) would be a significant improvement since it is most often that I go back and forth between two colors, whether for cell or text color. If not that, then perhaps a hover/drop down feature that goes to the recent colors when you point at the last.