def _color_to_cmap(color):
    """
    Create a light to dark cmap list from a base color
    """
    from .plotting.util import linear_gradient
    start_color = linear_gradient('#ffffff', color, 7)[2]
    end_color = linear_gradient(color, '#000000', 7)[2]
    return linear_gradient(start_color, end_color, 64)
