How to change running/stopped color scheme per client

I’m looking for ideas on an easy and efficient way to change the running/stopped color scheme on a client basis. I’d like to have a toggle button for the client that will toggle from a red/green to black/white color scheme for inactive/active objects such as motors or valves. I was going to create a client tag of type color but found that that does not exist. Anybody have any ideas or done this already with success? Thanks.