Colors

• https://cmap-docs.readthedocs.io/en/stable/catalog/qualitative/okabeito%3Aokabeito/
• https://cmap-docs.readthedocs.io/en/stable/catalog/qualitative/petroff%3Apetroff6/
• https://cmap-docs.readthedocs.io/en/stable/catalog/qualitative/petroff%3Apetroff8/
• https://cmap-docs.readthedocs.io/en/stable/catalog/qualitative/petroff%3Apetroff10/
• https://cmap-docs.readthedocs.io/en/stable/catalog/qualitative/observable%3Aobservable10/