Generates a random color.
        
        :return     <QColor>

def randomColor( self ):
        """
        Generates a random color.
        
        :return     <QColor>
        """
        r = random.randint(120, 180)
        g = random.randint(120, 180)
        b = random.randint(120, 180)
        
        return QColor(r, g, b)