From version 1.12.0 of the zencontrol commissioning application compatible lights can be controlled.
There are two ways to control colours in the zencontrol commissioning application.
The first is to control a specific device, to do this, navigate to the device list, then select the device you wish to control. This will expand the device row, select the "Gear settings" row. This will open the device summary. from here you will be able to change the device arc level and control the colour.
The second way to control colour is by group. To do this navigate to the control system list and select the control system the device is a member of. Select the "groups and scenes" button, and press the "Adjust" button to show controls for arc level and colour.