TIP : Customize JDE colors by environment with Tools 9.2.4+
In the not so long past it was possible to customize JD Edwards background colors per environment but you had to update manually the css file to do so.
Now with Tools 9.2.4, it is a standard feature and as easy as creating a UDC record !
1. Open UDC and create a new record for your environment:
2. Clear the UDC cache and your browser cache; reconnect … Et Voilà :