Global tinting color for all background elements rendered by the GUI.
This gets multiplied by color.
[!:http://unity3d.com/support/documentation/ScriptReference/GUI-backgroundColor.html]

C# | Visual Basic | Visual C++ |
public Color BackgroundColor { get; set; }
Public Property BackgroundColor As Color Get Set
public: property Color BackgroundColor { Color get (); void set (Color value); }