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Understanding interface recoloring aspects by colorblind people: a user study

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Abstract

The current web technologies make intensive the use of colors in web pages. Nowadays, colors are essential in the design of interfaces and play a central role in the distinction and comprehension of information. However, this affects colorblind users, i.e., those who have difficulties in recognizing or distinguishing colors. This paper presents a user study involving colorblind people to empirically investigate several aspects related to the recoloring of web interfaces. We aim to detect limitations, barriers, and needs about these users’ interaction with web pages. Our employed evaluation investigates indicators of satisfaction (contentment) and pleasantness (enjoyable) for several scenarios of interface recoloring adaptation. We found a ranking of application for interface adaptation techniques with the use of recoloring algorithms. The obtained results reveal the advantages of considering the colorblind individual’s needs and preferences for the development of adaptive systems. Our contribution can enhance web interface accessibility based on user interface adaptation techniques.

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Notes

  1. https://www.facebook.com/groups/592110540817526/?fref=ts.

  2. https://www.facebook.com/groups/daltonismo/?fref=ts.

  3. https://www.facebook.com/acessibilidadedaltonicos/?fref=ts.

  4. https://www.facebook.com/Tenho-marido-dalt%C3%B4nico-460913317343695/?fref=ts.

  5. https://www.limesurvey.org/.

  6. The web interface cases were converted in images files before applying the algorithms.

  7. https://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html.

  8. http://colororacle.org/.

  9. http://www.color-blindness.com/coblis-color-blindness-simulator.

  10. Although we performed the analysis separately, it did not present statistical relevance differences, so we decided to present the results all together.

  11. All presented statements are translations made by the authors from Portuguese original comments.

  12. The opinions, hypotheses and conclusions or recommendations expressed in this material are the responsibility of the authors and do not necessarily reflect the views of FAPESP.

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Acknowledgements

We would like to thank the São Paulo Research Foundation (FAPESP) (Grant #2017/02325-5)Footnote 12.

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Authors and Affiliations

  1. UNIFACCAMP, Rua Guatemala, 167, Campo Limpo Paulista, SP, 13231-230, Brazil

    Ricardo José de Araújo & Rodrigo Bonacin

  2. Federal Institute of Education, Science and Technology of Sul de Minas (IFSULDEMINAS), Pouso Alegre, MG, 37550-000, Brazil

    Ricardo José de Araújo

  3. Institute of Computing, University of Campinas, Av. Albert Einstein, 1251, Campinas, SP, 13083-852, Brazil

    Julio Cesar Dos Reis

  4. Center for Information Technology Renato Archer, Rodovia Dom Pedro I, km 143, 6, Campinas, SP, 13069-901, Brazil

    Rodrigo Bonacin

Authors
  1. Ricardo José de Araújo
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  3. Rodrigo Bonacin
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Correspondence to Julio Cesar Dos Reis.

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de Araújo, R.J., Dos Reis, J.C. & Bonacin, R. Understanding interface recoloring aspects by colorblind people: a user study. Univ Access Inf Soc 19, 81–98 (2020). https://doi.org/10.1007/s10209-018-0631-7

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