'Get border color as dict of rgb-color-tuples.'

def bordercolors(self):

    border = self.border
    return {'top': self.get_color(border.top_colour_index), 'bottom': self.get_color(border.bottom_colour_index), 'left': self.get_color(border.left_colour_index), 'right': self.get_color(border.right_colour_index), 'diag': self.get_color(border.diag_colour_index)}
