gistfile1.txt

import colorsys

VALUE = 0.8

def to_hex(h, s, v):
    return "#%02X%02X%02X" % tuple(int(255 * i) for i in colorsys.hsv_to_rgb(h, s, v))

def generate_colour():
    a = 1
    while True:
        b = 2 ** a
        if a > 1:
            l = range(1, b, 2)
        else:
            l = range(0, b)
        for h in l:
            for s in [0.2, 0.5, 1]:
                yield to_hex(1. * h / b, s, VALUE)
        a += 1

colours = generate_colour()
for i in range(100):
    rgb = colours.next()
    # print rgb
    print "<div style='background: %s; height: 100px; width: 100px;'>%s</div>" % (rgb, rgb)