Customization is key for Motorola. That is why the rumoured “Moto X+1” a.k.a. the second generation Moto X will reportedly get 25 different panel options. @evleaks on Twitter leaked the different colors that might be available:
Cool: Navy, Turquoise, Olive, Royal Blue, Dark Teal
Neutral: Slate, Purple, Smoke, Black, Chalk
Warm: Red, Orange, Lemon Lime, Violet, Crimson, Raspberry, Cabernet
Wood: Teak, Bamboo, Rosewood, Ebony
Leather: Black, Red, Grey, Blue