Uses golden ratio to create pleasant/pretty colours returns in rgb form. The theory for this colour generator was taken from; http://martin.ankerl.com/2009/12/09/how-to-create-random-colors-programmatically/

Pretty Colour generator.py

import math
import random
# the colorsys module is required for color conversion
from colorsys import hsv_to_rgb


# the theory for this colour generator was taken from;
# http://martin.ankerl.com/2009/12/09/how-to-create-random-colors-programmatically/
def pretty_colours(how_many):
    """uses golden ratio to create pleasant/pretty colours
    returns in rgb form"""
    golden_ratio_conjugate = (1 + math.sqrt(5)) / 2
    hue = random.random()  # use random start value
    final_colours = []
    for tmp in range(how_many):
        hue += golden_ratio_conjugate * (tmp / (5 * random.random()))
        hue = hue % 1
        temp_c = [round(x * 256) for x in hsv_to_rgb(hue, 0.5, 0.95)]
        final_colours.append('rgb(%s, %s, %s)' % tuple(temp_c))
    return final_colours