Set the outline colour
def test_bar_filled():
t = title(text=time.strftime('%a %Y %b %d'))
b1 = bar_filled(colour='#E2D66A')
b1.values = range(9,0,-1)
b1.outline_colour = '#577261'
chart = open_flash_chart(bg_colour="#FFFFFF")
chart.title = t
chart.add_element(b1)
return chart
Data used to generate the chart — bar_filled.json