Custom Google Visited Link Color is a Firefox add-on designed to enhance web accessibility for colorblind users. This free tool allows users to customize the color of visited links on Google, making it easier to differentiate between visited and non-visited links. The add-on addresses a common issue faced by many users who struggle to identify link statuses due to color vision deficiencies.

Setting up the add-on is straightforward. Users can navigate to the add-ons page and access the Options button for Custom Google Visited Link Color. By selecting a desired color from a color selector window, users can personalize their browsing experience. Once saved, all visited links on Google will display in the chosen color, significantly improving link recognition and overall usability.