Sets the primary color for this node.
        
        :param      color       <QColor>

def setBaseColor(self, color):
        """
        Sets the primary color for this node.
        
        :param      color       <QColor>
        """
        color = QColor(color)
        if self._palette is None:
            self._palette = XNodePalette(self._scenePalette)
        
        self._palette.setColor(self._palette.NodeBackground, color)
        self._palette.setColor(self._palette.NodeAlternateBackground,
                               color.darker(105))
        self._palette.setColor(self._palette.NodeBorder,
                               color.darker(125))
        
        self.setDirty()