gistfile1.py

# -*- coding: utf-8 -*-

"""
Based upon www.splinter.com.au/converting-hsv-to-rgb-colour-using-c/
"""

from math import floor

def HSVtoRGB(h, s, v):
    r, g ,b = 0, 0, 0

    hf = h / 60.0

    i = floor(hf)

    f = hf - i
    pv = v * (1 - s)
    qv = v * (1 - s * f)
    tv = v * (1 - s * (1 - f))

    if i == 0:
        r = v
        g = tv
        b = pv
    elif i == 1:
        r = qv
        g = v
        b = pv
    elif i == 2:
        r = pv
        g = v
        b = tv
    elif i == 3:
        r = pv
        g = qv
        b = v
    elif i == 4:
        r = tv
        g = pv
        b = v
    elif i == 5:
        r = v
        g = pv
        b = qv
    else:
        pass

    red   = max(0, min(255 * r, 255))
    green = max(0, min(255 * g, 255))
    blue  = max(0, min(255 * b, 255))

    return (red, green, blue)

def main():
    for hue in xrange(360):
        print '%02X%02X%02X' % HSVtoRGB(hue, 1, 1)

if __name__ == "__main__":
    main()