To cite package ‘dehex’ in publications use:

  Dray M (2024). _dehex: Learn to Roughly Assess Colour Hex Codes By
  Eye_. R package version 0.1.2, <https://github.com/matt-dray/dehex>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {dehex: Learn to Roughly Assess Colour Hex Codes By Eye},
    author = {Matt Dray},
    year = {2024},
    note = {R package version 0.1.2},
    url = {https://github.com/matt-dray/dehex},
  }