Colorblind friendly defaults

colorblind.py

# https://davidmathlogic.com/colorblind/#%23000000-%23E69F00-%2356B4E9-%23009E73-%23F0E442-%230072B2-%23D55E00-%23CC79A7
wong_palette = [
    "#000000",
    "#E69F00",
    "#56B4E9",
    "#009E73",
    "#F0E442",
    "#0072B2",
    "#D55E00",
    "#CC79A7",
]

# altair
import altair

def my_theme():
    return {"config": {"range": {"category": wong_palette}}}

altair.themes.register("my_theme", my_theme)
altair.themes.enable("my_theme")



# plotly express
import plotly.express as px
px.defaults.color_discrete_sequence = wong_palette

# matplotlib
import matplotlib.pyplot as plt
from cycler import cycler

plt.rcParams["axes.prop_cycle"] = cycler("color", wong_palette)

for i in range(1, 9):
    x = np.linspace(0, 1, 100)
    plt.plot(x, x*(1+i/8), label=str(i))
plt.legend()