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HomeDocsClaude Code CLI 27 Oct 2026
One change · claude-code

Configure your terminal for Claude Code changedterminal-config

Nearest release: v2.1.311, published 8 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 27 Oct 2026 04:06 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 27 Oct 2026 04:07 UTC.

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First seen 14 Aug 2026 this site's first read of the page
Recorded edits30to this page, all time

The whole hunk

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287287> Each [subagent](https://code.claude.com/docs/en/sub-agents.md) and parallel task is shown in one of eight named colors so you can tell them apart in the transcript. The token names follow the pattern `<color>_FOR_SUBAGENTS_ONLY`, where `<color>` is `red`, `blue`, `green`, `yellow`, `purple`, `orange`, `pink`, or `cyan`. Override these to change what each named color looks like. For example, a subagent with `color: blue` in its definition is drawn using the `blue_FOR_SUBAGENTS_ONLY` value.
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289> Claude Code renders the [`ultrathink`](https://code.claude.com/docs/en/model-config#use-ultrathink-for-one-off-deep-reasoning) keyword in the prompt input with a seven-color rainbow gradient. The token names follow the pattern `rainbow_<color>` and `rainbow_<color>_shimmer`, where `<color>` is `red`, `orange`, `yellow`, `green`, `blue`, `indigo`, or `violet`.
289> When [`ultrathink`](https://code.claude.com/docs/en/model-config#use-ultrathink-for-one-off-deep-reasoning) can raise a turn's effort, Claude Code renders the word in the prompt input with a seven-color rainbow gradient. The token names follow the pattern `rainbow_<color>` and `rainbow_<color>_shimmer`, where `<color>` is `red`, `orange`, `yellow`, `green`, `blue`, `indigo`, or `violet`.
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291291## Switch to fullscreen rendering
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