Calendar colors and icons explained

Individual events can be given colors and/or an icon to differentiate them from other events on the same calendar. The rules that govern which decoration is displayed are not always intuitive, however. Here's a quick run-down of what gets displayed and why.

1. A calendar icon will override a calendar color key: 
   
   
   
   
2. If more than one icon applies to an event, the icon whose file path is alphabetically last will take precedence:
   
   
   
   
3. If more than one color key applies, the color that is last in the hexadecimal alphabet will take precedence:
   
   
   
   
   
4. Decorations applied to a calendar category will override colors and icons assigned to individual events.