Publication: SSMRecolor: Improving Recoloring Tools with Situation-Specific Models of Color Differentiation

Color is commonly used to convey information in digital environments, but colors can be difficult to distinguish for many users - either because of a congenital color vision deficiency (CVD), or because of situation-induced CVDs such as wearing colored glasses or working in sunlight. Tools intended to improve color differentiability (recoloring tools) exist, but these all use abstract models of only a few types of congenital CVD; if the user's color problems have a different cause, existing recolorers can perform poorly. We have developed a recoloring tool (SSMRecolor) based on the idea of situation-specific modeling - in which we build a performance-based model of a particular user in their specific environment, and use that model to drive the recoloring process. SSMRecolor covers a much wider range of CVDs, including acquired and situational deficiencies. We evaluated SSMRecolor and two existing tools in a controlled study of people's color-matching performance in several environmental conditions. The study included participants with and without congenital CVD. Our results show both accuracy and response time in color-matching tasks were significantly better with SSMRecolor. This work demonstrates the value of a situation-specific approach to recoloring, and shows that this technique can substantially improve the usability of color displays for users of all types.

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Participants

David Flatla
University of Dundee
Carl Gutwin
University of Saskatchewan

Citation

Flatla, D.R., Gutwin, C. 2012. SSMRecolor: Improving Recoloring Tools with Situation-Specific Models of Color Differentiation. In CHI '12: Proceedings of the 30th international conference on Human factors in computing systems, Austin, Texas, USA. 2297-2306. DOI=10.1145/2207676.2208388.

BibTeX

@inproceedings {254-recolor-22-df,
author= {David Flatla and Carl Gutwin},
title= {SSMRecolor: Improving Recoloring Tools with Situation-Specific Models of Color Differentiation},
booktitle= {CHI '12: Proceedings of the 30th international conference on Human factors in computing systems},
year= {2012},
address= {Austin, Texas, USA},
pages= {2297-2306}
}