def convert_rgb_tuple(tuple_256):
    """Convert R,G,B Decimal Code from 8-bit integers to [0, 1] floats.

    E.g. (255, 247, 0) -> (1., 0.9686... , 0.) representing a specific
    yellow colour, namely #FFF700 in Hex(ademical).

    """
    return tuple(float(rgb_int) / 255 for rgb_int in tuple_256)