Adjust colors according to user settings

Customizing colors of text, backgrounds, and images can make it easier for users with low vision or colorblindness to read and understand a web page.

Please note that these products are not necessarily endorsed by RtF, but represent the range of available options.

Open Source and free

These products are free and their source code may be modified with few restrictions.

• AccessiBar Extension – Mozdev, Edan Kemelman
• Amaya – W3C
• ATbar – ATbar, University of Southampton
• CLC Star – CLC (Charles Chen)
• Firefox Accessibility Extension – Illinois Center for IT Accessibility
• Web Access Gateway – U.of Cambridge, Silas Brown

Free, not necessarily open source

These products are free to use, but may have strict restrictions on viewing and modifying source code.

• Surf Right Toolbar – Royal National Institute of Blind People (RNIB)
• Web Accessibility Toolbar – Vision Australia

• Dyslexia, eLearning and eSkills, (Pgs 84-90) ‘Supporting Dyslexic Adults in Higher Education’ – University of Southampton – Draffan, E.A. (2012)
• Southampton Accessibility Tools presented at 8th International Cross-Disciplinary Conference on Web Accessibility – University of Southampton – Wald, M., Draffan, E.A., Skuse, S., Newman, R. and Phethean, C. (2011)
• Accomodating color blind computer users- Luke Jefferson, Richard Harvey
• Web access for elderly citizens- Vicki L. Hanson
• Personalization of user accessibility options- II Robert E. Sinclair, Gilma Annuska Perkins, Michael Edward Dulac Winser, Ramkumar Subramanian, Paul Reid
• How People with Low Vision Access Computing Devices: Understanding Challenges and Opportunities- Sarit Felicia Anais Szpiro, Shafeka Hashash, Yuhang Zhao, Shiri Azenkot