Here are all the colors offered by FoilaCar Dubai or Germany:

FoilaCar Color Samples

I have seen lots of these wraps in person, and for the interior trim my choice would be the carbon fiber or brushed aluminum (any color).
If you want to try something different, maybe white carbon fiber!?
And the 3d brushed aluminum is different from the one offered by BMW and looks nice.

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2011 ///X5 M (On Order)

2009 X5 4.8 M Sport Space Gray/Black Fully Loaded

2007 GMC Yukon XL Denali Loaded and Customised