the name of the symbolic color to modify
the color to assign (does not need to be allocated), or null to undo the effect of previous calls to gtk.widget.Widget.overrideSymbolicColor
Deprecated: This function is not useful in the context of CSS-based rendering. If you wish to change the color used to render symbolic icons you should use a custom CSS style, through an application-specific #GtkStyleProvider and a CSS style class.
Sets a symbolic color for a widget.
All other style values are left untouched. See gtk.widget.Widget.overrideColor for overriding the foreground or background color.