Through the Palette node of the Visual Style dialog box, you can set the palette properties. 

The following properties are available through the Palette node:

Tab	Property	Description
Palette	Use Office 2007 palettes	Uses the Office 2007 palettes when checked.
	Default palette	Sets the palette colors using a built-in color palette.
Office 2007 Palette Colors	Alternate month day, all-day area, work and free hours dark border	The border color for alternate month day, all-day area, work hours and free hours dark borders.
	Free hour, selected day, work hour light border	The border color for free hour, selected day, and work hour light borders.
	Free hour light border	The border color for free hour horizontal light borders.
	Day header border	The border color for day header borders.
	Day header background	The background color for day headers.
	Day header gradient color	The gradient color for day headers.
	Border	The border color.
	Selected slot, selected all-day area	The background color for selected slot and selected all-day area.