Altair 01 code altair source = pandas.DataFrame( { "a": ["A", "B", "C", "D", "E", "F", "G", "H", "I"], "b": [28, 55, 43, 91, 81, 53, 19, 87, 52], } ) chart = altair.Chart(source, background="transparent").mark_bar().encode(x="a", y="b") result = {"altair": json.loads(chart.to_json())} Altair 1 10 4 #47bbb3 #ffffff