This really isn’t much of a module, it is just a series of color constants.
Colors from dark_red onwards are courtesy of: http://www.w3.org/TR/css3-color/
List of color constants:
red=(255, 0, 0)
green=(0, 255, 0)
blue=(0, 0, 255)
black=(0, 0, 0)
white=(255, 255, 255)
dark_red=(139, 0, 0)
dark_green=(0, 100, 0)
dark_blue=(0, 0, 139)
dark_gray=(169, 169, 169)
gray=(128, 128, 128)
light_gray=(211, 211, 211)
yellow=(255, 255, 0)
brown=(165, 42, 42)
pink=(205, 133, 63)
purple=(128, 0, 128)