Custom Colors
In the Property Manager,
click the 
button to the right of
the selected color to open the Colors
dialog and select a standard color or create new colors.
The Colors dialog has two pages: Standard and Colors.
Standard Page
Select a color from the standard color palette on the Standard page.
Colors Page
Create new colors by adjusting Hue, Sat, Lum, Red, Green, and Blue values on the Custom page.