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• 30 Years of Solving the Wrong Problem: How Recolouring Tool Design Fails those with Colour Vision Deficiency

  Connor Geddes, David R. Flatla, Ciabhan L. Connelly · 2023 · Proceedings of the 25th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '23)

  This paper critically examines three decades of research into recolouring tools — colour filters and daltonization algorithms designed to help people with Colour Vision Deficiency (CVD) differentiate colours — and finds that these tools fundamentally misunderstand how people…

  colour vision deficiency · colour blindness · recolouring · colour filters · daltonization

• Challenging and Improving Current Evaluation Methods for Colour Identification Aids

  Connor Geddes, David R. Flatla · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 22)

  This paper critically examines how Colour Vision Deficiency (CVD) aids are evaluated, exposing fundamental flaws in common evaluation practices. CVD affects approximately 5% of the population and impairs the ability to accurately identify and discriminate between colours — a…

  colour vision deficiency · colour blindness · CVD simulation · evaluation methods · colour identification aids

• Equipping designers by simulating the effects of visual and hearing impairments

  Joy Goodman-Deane, Patrick M. Langdon, P. John Clarkson, Nicholas H.M. Caldwell, Ahmed M. Sarhan · 2007 · Proceedings of the 9th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '07)

  This short Assets '07 demonstration paper from the Cambridge Engineering Design Centre describes a software simulator built to help designers — especially product and communications designers, not just web designers — understand the effects of common vision and hearing…

  inclusive design · design tools · simulation · visual impairment · hearing impairment

• Learning and Perceiving Colors Haptically

  Kanav Kahol, Jamieson French, Laura Bratton, Sethuraman Panchanathan · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

  This paper presents a novel system for enabling blind individuals to learn, perceive, and compare colours through haptic (touch-based) feedback. Colour is a purely visual feature that cannot be perceived through auditory or olfactory senses, yet it plays a significant role in…

  visual impairment · haptic interface · colour perception · sensory substitution · assistive technology

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