Azek. The Azek Deck Terra Collection is available in two earthy colors, Kona and fawn. The new colors address consumer demand for stain- and scratch-resistant PVC decking in darker tones. Kona is a chocolate brown; fawn offers a deep tan with golden-amber hues. Both are available in 5 1/2-inch boards and 12-,16-, and 20-foot lengths. Original Azek Deck colors include brownstone, slate gray, clay, ivory, and white. 877.275.2935.