To cite package ‘ggtintshade’ in publications use:

Kumler W (2026). ggtintshade: Tinting and Shading Aesthetics for 'ggplot2'. R package version 0.1.2, https://CRAN.R-project.org/package=ggtintshade.

Corresponding BibTeX entry:

  @Manual{,
    title = {ggtintshade: Tinting and Shading Aesthetics for
      'ggplot2'},
    author = {William Kumler},
    year = {2026},
    note = {R package version 0.1.2},
    url = {https://CRAN.R-project.org/package=ggtintshade},
  }