The script draws the color palette that can be built on the calculator. Horizontal axis: the hue changes from left to right. Vertical axis: in the upper half the brightness changes with the maximum saturation, in the lower half the saturation changes with the maximum brightness.
from kandinsky import * from math import * def hsv2rgb(h,s,v): i=int(h*6) f=h*6-i p,q,t=v*(1.-s),v*(1.-s*f),v*(1.-s*(1.-f)) i%=6 return ((v,t,p),(q,v,p),(p,v,t),(p,q,v),(t,p,v),(v,p,q))[i] for x in range(320): for y in range(222): if y<111: s,v=1,y/111 else: s,v=(222-y)/111,1 r,g,b=hsv2rgb(x/320,s,v) c=color(floor(255*r),floor(g*255),floor(b*255)) set_pixel(x,y,c)