To cite package ‘colourpicker’ in publications use:

Attali D (2024). colourpicker: A Colour Picker Tool for Shiny and for Selecting Colours in Plots. R package version 1.3.0, https://github.com/daattali/colourpicker.

Corresponding BibTeX entry:

  @Manual{,
    title = {colourpicker: A Colour Picker Tool for Shiny and for
      Selecting Colours in Plots},
    author = {Dean Attali},
    year = {2024},
    note = {R package version 1.3.0},
    url = {https://github.com/daattali/colourpicker},
  }