User blog comment:Happy65/Camp Penguins Color Contest/@comment-5006216-20120523114552/@comment-4018164-20120523121058

It's a 6 digit number, which each 2 numbers presents the color value or Red, Green and Blue. Instead of using only numbers, it also uses letters from a-f, when 0 is the lowest number, and f is the highest. For example: 00F00 would be green (the 2 middle numbers resemble the Green color).