> For the complete documentation index, see [llms.txt](https://buildsystem.eintosti.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://buildsystem.eintosti.de/v4/permissions-and-access/messages.md).

# Chat & Sign Colors

Configure permissions that govern text coloring and alert notifications.

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## Permission Nodes

### Chat Formatting Colors

Enables formatting text in chat messages using standard color codes (e.g. `&a`, `&l`) or hex color codes (RGB).

* **Permission**: `buildsystem.color.chat`
* **Default**: `OP`

### Sign Formatting Colors

Enables formatting text on signs using color codes or hex RGB formatting.

* **Permission**: `buildsystem.color.sign`
* **Default**: `OP`

### Physics Change Alerts

Controls whether a player receives a chat notification when entering a world that has block physics disabled.

* **Permission**: `buildsystem.physics.message`
* **Default**: `TRUE` (granted to all players)