To cite package ‘colormap’ in publications use:

Karambelkar B (2021). colormap: Color Palettes using Colormaps Node Module. R package version 0.1.9000, https://github.com/bhaskarvk/colormap.

Corresponding BibTeX entry:

  @Manual{,
    title = {colormap: Color Palettes using Colormaps Node Module},
    author = {Bhaskar Karambelkar},
    year = {2021},
    note = {R package version 0.1.9000},
    url = {https://github.com/bhaskarvk/colormap},
  }