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Updated: Sep 10, 2025

Visualizing Visual Adaptation
Published on: April 24, 2017
Research on the Accessibility of Different Colour Schemes for Web Resources for People with Colour Blindness
Daiva Sajek1, Olena Korotenko1, Tetiana Kyrychok2
1Kauno Kolegija Higher Education Institution, LT-50468 Kaunas, Lithuania.
Abstract:
This study is devoted to the analysis of the perception of colour schemes of web resources by users with different types of colour blindness (colour vision deficiency). The purpose of this study is to develop recommendations for choosing the optimal colour scheme for web resource design that will ensure the comfortable perception of content for the broadest possible audience, including users with colour vision deficiency of various types (deuteranopia and deuteranomaly, protanopia and protanomaly, tritanopia, and tritanomaly). This article presents the results of a survey of people with different colour vision deficiencies regarding the accessibility of web resources created using different colour schemes. The colour deviation value ∆E was calculated to objectively assess changes in the perception of different colour groups by people with colour vision impairments. The conclusions of this study emphasise the importance of taking into account the needs of users with colour vision impairments when developing web resources. Specific recommendations for choosing the best colour schemes for websites are also offered, which will help increase the accessibility and effectiveness of web content for users with different types of colour blindness.
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