# References

What perceptually uniform colorspaces are and why you should be using them:

* Ihaka, R. (2003). [Colour for Presentation Graphics](http://www.stat.auckland.ac.nz/~ihaka/downloads/DSC-Color.pdf). In K Hornik, F Leisch, A Zeileis (eds.),  Proceedings of the 3rd International Workshop on Distributed Statistical Computing, Vienna, Austria. ISSN 1609-395X

* Zeileis, A., Hornik, K., and Murrell, P. (2009). [Escaping RGBland: Selecting colors for statistical graphics](http://epub.wu.ac.at/1692/1/document.pdf). Computational Statistics and Data Analysis, 53(9), 3259–3270. doi:10.1016/j.csda.2008.11.033

Functions in this library were mostly implemented according to:

* Schanda, J., ed. [Colorimetry: Understanding the CIE system](http://books.google.com/books?id=uZadszSGe9MC). Wiley-Interscience, 2007.

* Sharma, G., Wu, W., and Dalal, E. N. (2005). [The CIEDE2000 color‐difference formula](http://www.ece.rochester.edu/~gsharma/ciede2000/ciede2000noteCRNA.pdf): Implementation notes, supplementary test data, and mathematical observations. Color Research & Application, 30(1), 21–30. doi:10.1002/col

* Ihaka, R., Murrel, P., Hornik, K., Fisher, J. C., and Zeileis, A. (2013). [colorspace: Color Space Manipulation](http://CRAN.R-project.org/package=colorspace). R package version 1.2-1.

* Lindbloom, B. (2013).
  [Useful Color Equations](http://www.brucelindbloom.com/index.html?ColorCalculator.html)

* Wijffelaars, M., Vliegen, R., van Wijk, J., van der Linden, E-J. (2008). [Generating Color Palettes using Intuitive Parameters](https://dl.acm.org/doi/10.1111/j.1467-8659.2008.01203.x)

* Georg A. Klein [Industrial Color Physics](http://books.google.com/books?id=WsKOAVCrLnwC). Springer Series in Optical Sciences, 2010. ISSN 0342-4111, ISBN 978-1-4419-1197-1.
