During January 2025, Brian Carroll enhanced the UI color contrast in the NoRedInk/noredink-ui repository by refining the differentiation between highlightYellowDarkLight and highlightYellowLight. He focused on improving accessibility and usability by adjusting the hex values in the CSS, ensuring clearer visual cues for users without deviating from the established brand palette. Working with Elm and front-end development principles, Brian addressed visual ambiguity in the yellow highlight shades, directly supporting accessibility goals. Although the scope was limited to a single feature, the work demonstrated attention to detail in UI/UX and contributed to a more accessible and user-friendly interface.