def METHOD_NAME(self):
    """
    Test :func:`colour.models.rgb.prismatic.RGB_to_Prismatic` definition
    domain and range scale support.
    """
    RGB = np.array([0.25, 0.50, 0.75])
    Lrgb = RGB_to_Prismatic(RGB)
    d_r = (("reference", 1), ("1", 1), ("100", 100))
    for scale, factor in d_r:
        with domain_range_scale(scale):
            np.testing.assert_array_almost_equal(
                RGB_to_Prismatic(RGB * factor), Lrgb * factor, decimal=7
            )