The Update Color Code window consists of a table in which you can see - and change, if needed - the color codes that will be used the next few years.
In the table you will also see the color description and the actual color. You can view and modify the color code. You can automatically fill in a color every fourth year throughout the entire table, if you change the color for one year. You can also add rows for additional years and delete rows at the end of the table.