colordef
(Removed) Set default property values to display different color schemes
colordef has been removed.
Syntax
colordef white
colordef black
colordef none
colordef(fig,color_option)
h = colordef('new',color_option) 
Description
colordef enables you to select either a white or black background
            for graphics display. It sets axis lines and labels so that they contrast with the
            background color.
colordef white sets the axis background, axis
            lines and labels, and the figure background to the default system colors.
colordef black sets the axis background color
            to black, the axis lines and labels to white, and the figure background color to dark
            gray.
colordef none sets the figure coloring to
            that used by MATLAB® Version 4. The most noticeable difference is that the axis background is
            set to 'none', making the axis background and figure background
            colors the same. The figure background color is set to black.
colordef(fig,
            sets the color scheme of the figure identified by the handle color_option)fig to
            one of the color options 'white', 'black', or
                'none'. When you use this syntax to apply
                colordef to an existing figure, the figure must have no graphic
            content. If it does, you should first clear it (via clf) before using
            this form of the command. 
h = colordef('new',
            returns the handle to a new figure created with the specified color options (i.e.,
                color_option) 'white', 'black', or
            'none'). This form of the command is useful for creating GUIs when
            you may want to control the default environment. The figure is created with
                'visible','off' to prevent flashing.
Tips
colordef affects only subsequently drawn figures, not those
            currently on the display. This is because colordef works by setting
            default property values (on the root or figure level). You can list the currently set
            default values on the root level with the statement
get(groot,'Default')
You can remove all default values using the reset command:
reset(groot)
See the get and reset references pages for more information.