C9,C7 and Mini bulbs can have a custom color pattern assigned. Two to six colors can be used for the pattern.

To use this option, you select the "Custom Pattern" option from the C9, C7 or Mini Bulb Style menu  .
 

At least two colors are required for a pattern. They are automatically added to the pattern indicated by green check marks.
Up to four additional colors can be added by clicking on the white box below the bulb you want to add to the pattern. You must start from the left most bulb not already in the pattern.

To change the color of a bulb, click on the bulb picture and select the color you desire from the menu.