How to edit the color settings in charts

There is a color editor to edit the colors in the charts. It is opened by right-clicking in the scale of the chart you want to edit the color in, for example, stock charts or area for a technical analysis method.

and the dialog appears to edit the colors in the upper part of the diagram:

The settings are saved with the Save. Keep in mind that they do not materialize fully until the next time you reload the chart.