def _style_ticks(axis, color):
    """ Enable minor ticks, and color major + minor ticks"""
    axis.minorticks_on()
    ticks = axis.get_xticklines() + axis.xaxis.get_minorticklines(
        ) + axis.get_yticklines() + axis.yaxis.get_minorticklines()
    for tick in ticks:
        tick.set_color('#' + color + '3D')
