The latest SharpTools.io beta includes support for choosing icons and colors for each device state (for a number of device types). I’ve added each of you to the beta program and you can find details on the new feature in the following post in the private Beta Testers category:
https://community.sharptools.io/t/custom-icons-and-colors-based-on-states/2843?u=josh
For anyone else who is interested in joining the beta program, you can find more details on how to join the beta in the Beta Testers Requested! thread.