f35e173a_orama_portlet___Wiki___Liferay__Description
[Identifier] splashBgcolor [Range / Default Value] 000000 ... ffffff [Description] 
RGB value in hexadecimal notation of the applet's background color during the loading of the panorama image. The background color is only visible if a splash image is specified that is smaller than the applet's size.
Using the panorama portlet - Wiki | Liferay
Description