To change the color of your grid lines or any other chart item:
- Click the Edit menu within the chart.
- Select Global Chart Configuration.
- On the left side under Charts, select Chart Colors.
- Look for Bar up, Bar down and Bar unchanged.
- Under Display Color click Change... to choose new colors.
- Click Apply and OK to make the change and close the window.
More information on chart colors can be found in our Users' Guide.