Excel charts let you illustrate your workbook data graphically to see trends. Learn how to format charts in Excel in this free lesson.
When a chart is created in Excel 2003, you'll notice that color is automatically applied to the data series. You can keep this format or change it for each data series in the chart. Many different aspects of each data series can be changed, but you'll probably change the color of bars, columns, pie slices, and areas most often.