Color Communications Tool


July 1998

Gemstones & Pearls:Gemology

Color Communications Tool

Howard Rubin's two-year project culminates in Color Toolbox, linking several color communication systems

Color communication just got easier, thanks to the development of GemDialogue Color Toolbox,a book that cross-references the many color communication languages in use today.

Retailers, gem dealers and manufacturers use a variety of methods to communicate the color of gemstones. Some use simple descriptive language such as orangy-red. Others use methods based in color science.

One system is GemDialogue, which uses transparent color-scale charts that can be combined or used with tonal masks to provide users with 60,000 color possibilities. This works as long as the people communicating use the same system. GemDialogue's developer, Howard Rubin, acknowledges that at least seven systems – including his – are in use, which prompted him to develop the cross-referencing guide.

His project is not endorsed by any other color communication system, but it's an important step in helping the user of one system to communicate with the user of another. Rubin says his two-year study is the result of visual comparisons he and coauthor Gail Brett Levine made. "We cannot guarantee that all users will view the results the same way, however, we feel the approach is thorough enough to fill a void which exists in the jewelry industry," he says.

The GemDialogue Color Toolbox cross-references American Gemological Laboratories' Color/Scan; the Gemological Institute of America's GemSet and ColorMaster® ; GemDialogue by Rubin; Munsell Book of Color,the Macbeth Division of the Kollmorgan Corp.; the Inter-Society Color Council-National Bureau of Standards; and The World of Color, copyright by the Gem Quality Institute Inc./European Gemological Laboratory of Los Angeles.

GemDialogue Systems Inc., Rego Park, NY; (718) 997-0231, fax (718) 997-9057.

Copyright © 1998 by Bond Communications.


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