To cite package ‘RcppColors’ in publications use:

Laurent S, Spencer S (2023). RcppColors: Color Mappings and 'C++' Header Files for Color Conversion. R package version 0.6.0, https://CRAN.R-project.org/package=RcppColors.

Corresponding BibTeX entry:

  @Manual{,
    title = {RcppColors: Color Mappings and 'C++' Header Files for
      Color Conversion},
    author = {Stéphane Laurent and Scott Spencer},
    year = {2023},
    note = {R package version 0.6.0},
    url = {https://CRAN.R-project.org/package=RcppColors},
  }