To change the color of a certain chart:
1. Right click on the chart you would like to change
2. Select "Template Settings" from the drop-down box.
*Note: You can also just select the Template Settings button on the top right-hand corner of the chart.
3. Select the elements you would like to change and their colors from the middle column by clicking the drop-down arrow to the right of the color.
4. Click "Ok" to apply, or click "Save" to save to a template.