"…a comprehensive and scholarly work on both the history and performance of color spaces and color difference formulas, as well as an extensive discussion on the attributes of color perception." (Journal of Electronic Imaging, October 2004)

"When participants in color research and application have read this new book, I am confident that they with stand with me as I rise to salute Rolf Kuehni for this contribution." (Color Research and Application, April 2004)

"...an inclusive mosaic of the history of color-order systems...dip into it as a sightseer, historian, or philosopher.  Read it as a color scientist who wants to know who did what first." (Physics Today, December 2003)

"...perhaps the first extended historical account of the significant steps in the development of thinking about color order in Western culture...useful not only to experts...highly recommended." (Choice, Vol. 41, No. 1, September 2003)

"...a comprehensive reference book..." (Color Technology, 2003)

"...Useful for experts in academia and industry..." (World Surface Coatings Abstracts, January 2004)

"...provides both a fascinating historical account of color order systems...and a trenchant discussion of the problems of color measurement...of interest for anyone who wants a deeper understanding of the nature of color..." (JCT Coatings Tech, March 2004)