Chartography.net

    
from GChartWrapper import *
#http://chart.apis.google.com/chart?cht=v&chs=200x100&chd=t:100,20,20,20,20,0,0&chdl=First|Second|Third&chco=ff0000,00ff00,0000ff&chdlp=t
G = Venn([100,20,20,20,20,0,0])
G.legend('First','Second','Third')
G.legend_pos('t')
G.color('red','lime','blue')