'Gets the base scope highlight color (derivated from the editor
background)
For lighter themes will be a darker color,
and for darker ones will be a lighter color'

def _get_scope_highlight_color(self):

    color = self.editor.sideareas_color
    if (color.lightness() < 128):
        color = drift_color(color, 130)
    else:
        color = drift_color(color, 105)
    return color
