Design

from turtle import *

import colorsys

speed(0)

bgcolor('black')

h=0.1

for i in range(200):

 c=colorsys.hsv_to_rgb(h,1,1)

 h+=0.1

 fillcolor(c)

 begin_fill()

 for j in range(4):

  fd(0.2*i*j)

  lt(91)

 lt(73*15/100+15)

 end_fill()

done()