---
title: "Bubble Color for Claude – Chrome extension stats, history and permissions"
description: "8 users, no ratings yet. Version 1.1.0, updated 2026-11-03. Requests 1 permission."
url: "https://extensiontracker.com/extension/opfoggpkdjfghmpihdkdbclnfhehmcgh"
---

# Bubble Color for Claude

Live in the Chrome Web Store.

- Users: 8
- Rating: no ratings yet
- Last checked: 2026-11-04 05:55 UTC
- Users gained in 7 days: +1
- Users gained in 30 days: +1 (+14.3%)
- Rank by users: #169,403 of 289,025 live extensions
- Rank in Tools: #63,691 of 114,373

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Give your own messages in claude.ai a background color so they stand out from Claude's replies in long chats. Unofficial. EN & JA.

- Extension ID: `opfoggpkdjfghmpihdkdbclnfhehmcgh`
- Developer: [Hanpen Works](https://extensiontracker.com/developer/ub68e91c0b4ec0df7938cd8fefeadda56)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2026-09-06
- Last updated: 2026-11-03
- Version: `1.1.0`
- Size: 25.0 KiB
- Minimum Chrome: 88
- Languages (2): English, 日本語
- Chrome Web Store: <https://chromewebstore.google.com/detail/bubble-color-for-claude/opfoggpkdjfghmpihdkdbclnfhehmcgh>
- View its code or download CRX: <https://crxpeek.com/extension/opfoggpkdjfghmpihdkdbclnfhehmcgh>
- Search Google for the ID: <https://www.google.com/search?q=%22opfoggpkdjfghmpihdkdbclnfhehmcgh%22&tbs=li:1>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-04 | 8 | – | – |
| 2026-10-06 | 7 | – | – |
| 2026-09-27 | 4 | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-04: New version `1.1.0`, replacing `1.0.1`.
- 2026-10-06: The developer's display name changed from “hanpen403” to “Hanpen Works”.
- 2026-10-06: The developer's contact email changed.

## Developer history

Moves to another publisher account and new contact emails, newest first.

- 2026-10-06: The contact email changed. The developer's display name changed from “hanpen403” to “Hanpen Works”.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

- `https://claude.ai/*`: claude.ai

### Browser features

- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Tomato Pop Timer](https://extensiontracker.com/extension/ghajmjggajkifojhgdegfcdfaphmijeg) | 10 | 4.00 | 1 | Tools |
| [Quick Inspector](https://extensiontracker.com/extension/kjeaflejonobjboohllflejabgfcfoch) | 6 | – | – | Developer Tools |

All 3 extensions by [Hanpen Works](https://extensiontracker.com/developer/ub68e91c0b4ec0df7938cd8fefeadda56).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-11-04 05:55 UTC; next check around 2026-12-06.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Bubble Color for Claude” (opfoggpkdjfghmpihdkdbclnfhehmcgh). Chrome Web Store data, last checked 2026-11-04. https://extensiontracker.com/extension/opfoggpkdjfghmpihdkdbclnfhehmcgh. Accessed 2026-11-08.

```bibtex
@misc{extensiontracker_opfoggpkdjfghmpihdkdbclnfhehmcgh,
  title   = {Bubble Color for Claude (opfoggpkdjfghmpihdkdbclnfhehmcgh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-04},
  url     = {https://extensiontracker.com/extension/opfoggpkdjfghmpihdkdbclnfhehmcgh},
  urldate = {2026-11-08}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/opfoggpkdjfghmpihdkdbclnfhehmcgh>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.