Descriptors gone wrong

color_descriptor.py

class Color(object):
    def __init__(self, initial=None):
        self.value = initial
        
    def __get__(self, obj, objtype):
        return self.value
        
    def __set__(self, obj, value):
        self.value = value
        
        
class Style(object):
    # These will always be the same color!  Do not want.
    color = Color()
    bgcolor = Color()