To cite package ‘rampage’ in publications use:

  Kocsis A (2025). _rampage: Calibrated Color Ramps_. R package version
  0.2.0, <https://github.com/adamkocsis/rampage>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rampage: Calibrated Color Ramps},
    author = {Adam T. Kocsis},
    year = {2025},
    note = {R package version 0.2.0},
    url = {https://github.com/adamkocsis/rampage},
  }