1. Click the menu Management
2. Click the tab Settings
3. Click the tab Customizing
4. Click the option Custom
5. Adjust the colors by clicking on one of the three Red Green or Blue entry fields and drag the circles in the color ring or the square for each category
And when you are done…
6. Click Save
In case you want to revert to the default scheme:
7. Click the option Default
8. Click Save