In the Object Color drop-down list. click
Select Color to display the Select Color dialog box.
In the Select Color dialog box, True
Color tab, do one of the following:
Select the HSL color model in the Color
Model box. Specify a color by entering a color value in the Color
box or by specifying values in the Hue, Saturation, and Luminance
boxes.
Select the RGB color model in the Color
Model box. Specify a color by entering a color value in the Color
box or by specifying values in the Red, Green, and Blue boxes.