To cite package ‘pals’ in publications use:

  Wright K (2024). _pals: Color Palettes, Colormaps, and Tools to
  Evaluate Them_. R package version 1.9,
  <https://github.com/kwstat/pals>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pals: Color Palettes, Colormaps, and Tools to Evaluate Them},
    author = {Kevin Wright},
    year = {2024},
    note = {R package version 1.9},
    url = {https://github.com/kwstat/pals},
  }