Error diffusion using the web-safe colors: how good is it across platforms?

Jennifer Gille; Jeff Luszcz; James O. Larimer

doi:10.1117/12.320127

17 July 1998 Error diffusion using the web-safe colors: how good is it across platforms?

Jennifer Gille, Jeff Luszcz, James O. Larimer

Proceedings Volume 3299, Human Vision and Electronic Imaging III; (1998) https://doi.org/10.1117/12.320127
Event: Photonics West '98 Electronic Imaging, 1998, San Jose, CA, United States

Abstract

Accurate color rendering across displays is complicated on the World Wide Web by the color-handling properties of individual web browsers. However, the major browsers have all adopted a minimal color palette of 216 RGB triples, called the `browser-safe' colors, suitable for use with web page backgrounds and text, logos, cartoons, and line drawings. For naturalistic or photographic images, however, simple quantization to 216 colors can produce images with altered hues or color banding. We show that dithering with the browser-safe colors is a good strategy for such images, especially at spatial resolutions above 150 dpi. However, even if the RGB image is transmitted and received unaltered, the system gamma will affect appearance. Ambient lighting contributes to the rendered image's appearance, but does not mask the effects of differences in monitor gammas. The need for an image-rendering convention traceable to the CIE is underscored by these results.

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Jennifer Gille, Jeff Luszcz, and James O. Larimer "Error diffusion using the web-safe colors: how good is it across platforms?", Proc. SPIE 3299, Human Vision and Electronic Imaging III, (17 July 1998); https://doi.org/10.1117/12.320127

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