- From: John Murray <jmurray@fail.com>
- Date: 1 Dec 1997 21:59:33 -0700
- To: "WWW Style" <www-style@w3.org>
From the point of view of the user [ie the person specifying colors in a particular interface], a facility must be available to imitate ANSI color specification standards. An RGB-only standard does NOT address this issue at all. ANSI specifications are addressed in terms of the Munsell System, with CIE 1931 equivalents. See for example the ANSI Safety Color Code - Standard Z535.1. There's a picture of the CIE Chromacity digram at the following URL: <http://cybertheater.com/Tech_Reports/Envir_Light/cie.html> The HSL format provides a better means of approximating this standard approach to color specification. It allows better construction of interface design tools that match the color specs used in content experts' environments, as well as permitting standard APIs to be provided for conversion to RGB. This issue MUST be addressed in the CSS revisions. John Murray, Human Performance Group Failure Analysis Associates, Menlo Park, CA [jxm@fail.com, 1-650-688-7229]
Received on Tuesday, 2 December 1997 01:04:10 UTC