sentences:  Apple continued its trend of using transparent colored plastics for the shell, and released the iBook clamshell series in several colors, starting with Blueberry and Tangerine, later adding Indigo, Graphite and Key Lime colors.However, unlike the iMac, the iBook did not feature pinstripes.Steve Jobs announced that the Key Lime color, "a little less conservative, a little more fun", was exclusive to the online Apple Store.