To cite package ‘zuericolors’ in publications use:

  Feller A (2025). _zuericolors: Statistik Stadt Zuerich Colors
  (zuericolors)_. R package version 1.0.0,
  <https://github.com/statistikstadtzuerich/zuericolors>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {zuericolors: Statistik Stadt Zuerich Colors (zuericolors)},
    author = {Alessandro Feller},
    year = {2025},
    note = {R package version 1.0.0},
    url = {https://github.com/statistikstadtzuerich/zuericolors},
  }