"The Meaning Of Red And Green In User Interfaces For The Color ...

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University Honors Theses

The Meaning of Red and Green in User Interfaces for the Color Deficient

Author

Bassel Hamieh, Portland State UniversityFollow

First Advisor

Ellie Harmon

Date of Award

Summer 2020

Document Type

Thesis

Degree Name

Bachelor of Science (B.S.) in Computer Science and University Honors

Department

Computer Science

Language

English

Subjects

User interfaces (Computer systems) -- Design, Color blindness, Color vision, Human-computer interaction, Symbolism of colors, Accessible Web sites for people with disabilities

DOI

10.15760/honors.946

Abstract

Around 108 million web users are color blind which is a problem when the way we communicate over the web or interfaces is through the use of color. Red and green are two colors that are especially heavily used in interface design because of their strong symbolic associations; red being a sign to warn or stop and green being the opposite. This has a large effect on red-green color blind people who are not able to perceive either of those colors correctly. Many solutions exist that aim to help through color differentiation but none take into account color symbolism. With the aim to explore red and green color symbolism in association with the red-green deficient community, interviews were conducted with four red-green deficient individuals. It was found that colorblindness varies from person to person, the need for solutions resulted in many creative work arounds, color blind people still understand color symbolism, charts and patterns are very difficult to understand, and current accessibility modifications alter the user experience. Based on these findings, three implementations for design were outlined - Interfaces should retain meaningful colors, consistency is critical, and customization is ideal.

Rights

In Copyright. URI: http://rightsstatements.org/vocab/InC/1.0/ This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

Persistent Identifier

https://archives.pdx.edu/ds/psu/33476

Recommended Citation

Hamieh, Bassel, "The Meaning of Red and Green in User Interfaces for the Color Deficient" (2020). University Honors Theses. Paper 924. https://doi.org/10.15760/honors.946

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