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Topics in Usability

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Color Blindness

Basic InformationDesign ToolsCorrective ToolsTips

Related Topics:
Accessibility
Ergonomics and Personal Safety
Special Audiences: Designing for the Old and Young

Basic Information

Accommodating Color Blindness by Paul Hoffman (Usability Interface, October 1999). Guidelines for using color in design to reduce confusion for people with color vision deficiencies.

Designing for the Color-Challenged: A Challenge by Thomas G. Wolfmaier. This article includes a detailed description of different kinds of color deficiencies.  

Basic color and design SBFAQ from ERGO/GERO Human Factors Science

Colors For The Colorblind - Understanding color blindness and using color to emphasize information to people with color vision deficiencies, includes statistics on incidence.

Color Vision, Color Deficiency by Diane Wilson, Generalist at Large. An article on color blind awareness, and how color should never be the only visual cue in design.

Considering the Color-Blind by Chuck Newman in WebTechniques. Designing Web pages for people with color vision deficiencies.

Designing for the Color-Challenged: A Challenge by Thomas G. Wolfmaier. This article includes a detailed description of different kinds of color deficiencies.

Effective Color Contrast: Designing for People with Partial Sight and Color Deficiencies by Aries Arditis. Basic guidelines for making effective color choices that work for nearly everyone, from the Lighthouse web site.

People Who Are Colorblind or Have Different Color Vision Thorough coverage of colorblindness, including types, and incidence statistics.

Color Blindness Theory, Simulation  by Chris Lilley. Calculations for converting RGB to CIE XYZ

 

Design Tools

Color Metric Converter from Colorpro.com

Colorfield Insight - Photoshop plug in

Color Tools on the Web Design Reference site includes both color checkers and other color tools

ITG Color Checker - Enter foreground and background colors as hexadecimal RGB color-triplets and the applet calculates the colors perceived by protanopes, deuteranopes and tritanopes and displays the colors.

UMIST 'For Fun' Colour Vision Test - Not a "scientific" test, but does provide insights into color deficiencies.

Vischeck - Vischeck allows you to check the visibility of your graphics and text.

Visibone - Color tools for the Web.

Visolve - Transforms colors of the computer display into the discriminable colors for various people including people with color vision deficiency. One of its aims is to help people with color blindness guess a normal color. (12/2005)

 

 

Corrective Tools

ColorMax - Provides color vision enhancement lenses which significantly improve color discrimination in color blind patients. Please note that this site is currently under construction.

Tips and Tricks

Nintendo DS Battery Indicator Light Solution for Color Blind (Color Deficient) Users - This article offers an easy to implement solution to help color deficient users of the Nintendo DS distinguish the difference between the green and red battery indicator light.

 
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