Make Codex feel
like Claude.

Warm ivory, soft copper, calm contrast. Copy one line, paste it into Codex, done. Nothing to install.

View on GitHub →
OpenAI Codex with the Anthropic theme

Three steps, about ten seconds

  1. Pick a theme below and press Copy.
  2. Open Codex → Settings → Appearance → Import under Light or Dark Theme.
  3. Paste the line and confirm.

Themes

Anthropic theme in Codex

Anthropic

Catppuccin theme in Codex

Catppuccin

Nord theme in Codex

Nord

Tokyo Night theme in Codex

Tokyo Night

Gruvbox theme in Codex

Gruvbox

One Dark / Light theme in Codex

One Dark / Light

For the closest feel, install DM Sans and JetBrains Mono. System fonts work fine too.

Before and after

Codex default
Codex default
With Anthropic theme
With Anthropic theme
Copied