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A Python toolbox for manipulating and assessing colors and palettes

Project description

python-colorspace

A Python toolbox for manipulating and assessing colors and palettes

Documentation Examples Testing Coverage status

The package provides a Python 3 version of the R colorspace package comprising:

  • Color spaces: Conversions and manipulations of RGB, HSV, CIEXYZ, CIELAB, CIELUV, HCL etc.
  • HCL-based palettes: Qualitative, sequential, and diverging color maps constructed using the HCL (hue-chroma-luminance) color model. These can closely approximate palettes from ColorBrewer.org, CARTO, viridis, or Crameri's scientific color maps.
  • matplotlib color maps: Integration with matplotlib for use in standard plotting functions.
  • Palette visualization: Plotting palettes in color swatches, spectrums of HCL and/or RGB trajectories, and illustrations of typical data visualizations.
  • Interactive palette chooser: App for exploring, modifying, and picking color palettes interactively.
  • Color vision deficiency: Emulation of different kinds of color blindness.
  • Utilities: Various color manipulations including tools to desaturate, lighten, darken, adjust the transparency, or compute the contrast ratio.

Links

Contributors

We would like to thank the following individuals for their contributions to the review process for this software, as part of the submission to The Journal of Open Source Software (JOSS): Julia Romanowska @jromanowska, Editor, Daniel S. Katz @danielskatz, Editor, Andrew Ting @hollowscene, Reviewer, and David Reagan @dmreagan, Reviewer.

Furthermore, the Python package implements the functionality from the R package that is co-written with Ross Ihaka, Paul Murrell, Kurt Hornik, Jason C. Fisher, Claus O. Wilke, Claire D. McWhite.

Development notes

Community guidelines

If you encountery any bugs or issues, or are interested in contributing to Python colorspace, please have a look at our Community guidelines.

Test and development

More detailed information on how to run automated tests, create coverage reports, test examples and render the documentation can be found on our Installation page.

GitHub Action integration (CI)

Additional notes about development and deployment are documented in GITHUBACTIONS.md.

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