Hexagon/es
From xat wiki
(HEXAGON) - Smilies hexagonales
Give a pink hexagon shape to any "yellow" smiley. To make a pink hexagon smilie add #x to the smilie code eg (smile#x). If you have colour powers you can change the color. For purple use: (biggrin#x#800080).
NOTE: Only works with smilies in brackets.