By default, the ForeColor property is 0. If the ForeColor property is 0, the system defines the tooltip's foreground color.  Use the ForeColor property to specify the control's foreground color. Use the Appearance property to specify the tooltip's border. Use the BackColor property to specify the tooltip's background color. Use the <fgcolor> built-in HTML element to specify a foreground color for parts of the text in the tooltip.