I Look — Themes for ChatGPT & Claude

Recolor ChatGPT and Claude. Pick a preset or two or three colors; readable text is automatic. Not affiliated with OpenAI/Anthropic.

Recolor ChatGPT and Claude the way you like. I Look is a browser extension that changes the colors of the ChatGPT, Claude and Claude Code web apps. Pick a preset, or choose just two or three colors, and the whole screen follows: sidebar, composer, code blocks, canvas, document panels. ■ Three colors is all it takes Choose a background, an accent and (optionally) a sidebar color. The remaining 48 colors (text, borders, cards, menus, syntax highlighting) are computed by a color engine in the OKLCH color space. Text colors are derived from your background, so whatever you pick stays readable. ■ 24 presets Ten soft "Mood" themes, seven vivid Radix themes, and seven editor classics (Catppuccin, Nord, Rosé Pine, Dracula). Light and dark are evenly represented. ■ A different theme per site Keep one theme on Claude and another on ChatGPT. Want them the same? Copy with one tap in Settings. ■ Live preview While you adjust colors, every open tab updates instantly. Close without saving and the tab returns to its saved theme. ■ Share codes Copy your custom theme as a one-line code and send it to a friend. They paste it in Settings and get the same theme. ■ No flash on reload Computed colors are cached and applied before the first paint, so you never see the default white screen flicker. ■ Nothing leaves your device Zero network requests. All colors are computed locally, and your conversations are never read. The extension only swaps CSS variables. ■ English / 한국어 Follows your browser language; switchable in Settings. Works on: chatgpt.com, claude.ai (including Claude Code on the web) I Look is an independent project, not affiliated with OpenAI or Anthropic. ChatGPT and Claude are trademarks of their respective owners. Source code: https://github.com/P2P-J/I-Look2