Chart for WinRT incorporates several themes, including Office 2003, Vista, and Office 2007 themes that allow you to customize the appearance of your chart. The built-in themes are pictured below:
DuskBlue
DuskGreen
MediaPlayer
Office2003Blue
Office2003Classic
Office2003Olive
Office2003Royale
Office2003Silver
Office2007Black
Office2007Blue
Office2007Silver
Vista