How to Color Code Tasks and Events
Step 1
Select Preferences.
Step 2
Select the "Calendar Options" tab on the Preferences Window.
Step 3
In the "Categories" list select the little grey box next to a category.
Step 4
Pick a color from the menu.
Step 5
Press "Save and Close" to set your color(s).
Step 6
To assign individual events a color code, double click on the event to open the editing window.
Step 7
In the edit window assign the event a category
The event will now be marked on your category with the appropriate color.