def METHOD_NAME(rgb=False, maximum=255):
    """
    Args:
        rgb (bool): whether to return RGB colors or BGR colors.
        maximum (int): either 255 or 1
    Returns:
        ndarray: a float32 array of Nx3 colors, in range [0, 255] or [0, 1]
    """
    assert maximum in [255, 1], maximum
    c = _COLORS * maximum
    if not rgb:
        c = c[:, ::-1]
    return c