To modify the X and Y Axis appearance using the C1Chart Properties window, complete the following steps:

1. Right-click on the C1Chart control and select Properties from the context menu. The Properties window for the C1Chart control will appear in the right pane.
2. Expand the ChartArea node and then expand AxisX.
3. Click on the dropdown arrow next to the ForeColor property and select Green from the Custom tab.
4. Expand the AxisY node and Click on the dropdown arrow next to the ForeColor property and select Green from the Custom tab.

The X and Y axes forecolor are modified to green.