> For the complete documentation index, see [llms.txt](https://dreetje-1.gitbook.io/inbox-ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dreetje-1.gitbook.io/inbox-ai/actions/built-in-actions/mail-actions/set-background-color.md).

# Set Background Color

Sets the background color on the original email to a specific color. Ignored if not triggered by [Email Processing](/inbox-ai/email-processing.md).

Supported colors are:

* Red
* Blue
* Green
* Yellow
* Orange
* Purple
* Gray
* None