property Item.BackColor as Color
Specifies the item's background color.

TypeDescription
Color A color expression that indicates the item's background color. The last 7 bits in the high significant byte of the color to indicates the identifier of the skin being used. Use the Add method to add new skins to the control. If you need to remove the skin appearance from a part of the control you need to reset the last 7 bits in the high significant byte of the color being applied to the background's part.

Use the BackColor and ForeColor properties to specify colors for an item. Use the ItemBackColor property to specify the item's default background color. Use the ClearBackColor method to clear the item's background color specified with the BackColor property.