Graham Rounds developed the Irodori Theme System for the zed-industries/extensions repository, delivering a data-driven collection of 21 accessible dark themes organized into three families. He clustered approximately 1,000 community themes by background hue and applied CIEDE2000 perceptual distance to harmonize color palettes with Tailwind CSS, ensuring consistent and accessible theming. Using CSS and front end development skills, Graham implemented base, WCAG AA, and WCAG AAA contrast variants, embedding schema references in theme JSON and validating extension.toml for marketplace compliance. His work improved user customization, brand alignment, and accessibility, while reducing design debt and ensuring repository release readiness.