Trex Enhance decking comes in three different colors: Beach Dune, Clam Shell and Saddle Enhance. A 12-inch sample piece of each decking color may be purchased for $10 from Trex, as of 2015. A color guide is also available for purchase.
Trex offers decking in brown, gray and red color categories. Beach Dune and Saddle Enhance are both considered browns, and Clam Shell is a gray.
Enhance is Trex's mid-range composite decking option. It is made from recycled wood, sawdust and plastic packaging.
The full line of Trex products includes 18 different colors separated by the three color categories and classified by classic earth tones or premium tropical tones.