Command reference · Claude Code
/theme
Changes the color theme.
Includes an auto option that matches your terminal’s light or dark background, light and dark variants, colorblind-accessible (daltonized) themes, ANSI themes that use your terminal’s color palette, and any custom themes from ~/.claude/themes/ or plugins. Select "New custom theme…" to create one.
✅ WHEN TO USE IT?
Switch to a light or dark theme
/theme
Pick a colorblind-accessible theme
/theme
⛔ WHEN NOT TO?
Change the terminal font or size
/theme only controls Claude Code’s colors, not the terminal’s own rendering.
Better: use your terminal app’s settings
SOURCES
- Claude Code docs (official) ↗ code.claude.com