Generates a dictionary with the official CMIP6 model colors

gen_cmip6_model_colors.py

import pandas as pd

url = "https://github.com/IPCC-WG1/colormaps/blob/master/CMIP6_color.xlsx?raw=true"
df = pd.read_excel(url, index_col=[0])
cmip6_colors = {i:k.values for (i,k) in df.iterrows()}

# or as one-liner
# cmip6_colors = {i:k.values for (i,k) in pd.read_excel("https://github.com/IPCC-WG1/colormaps/blob/master/CMIP6_color.xlsx?raw=true", index_col=[0]).iterrows()}