On my SharePoint site, all of our Project Managers add their active projects to their own project calendars, and then those projects are copied (using SharePoint Designer workflow) to a Master Calendar. When all the items are copied over, they are all the color green. I know you can color appointments by the type of appointment, but I'm wondering if you can color code them according to the User/which PM's calendar it came from? Can you use a workflow to read metadata from the calendar event, such as adding a category for PM Name? Or can you do the color code in Outlook, then sync it back to SharePoint?