@property<EOL><INDENT>def hex_color(self):<DEDENT>
if self.has_color():<EOL><INDENT>return convert_color_to_rrggbb(self.color)<EOL><DEDENT>return None<EOL>
The color in "#RRGGBB" format.

        :return: the :attr:`color` in "#RRGGBB" format or none if no color is
          given