> For the complete documentation index, see [llms.txt](https://help.tellius.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.tellius.com/settings/appearance/branding-and-themes.md).

# Branding & Themes

Under **Settings → Workspace → Branding & Themes,** admins can personalize the Tellius environment to match their organization's brand identity. The subtitle describes it as customizing logos, colors, themes, and visual branding. For both logos, the supported file formats are `.png`, `.jpg`, and `.svg`, and the maximum file size is 5 MB.

<figure><img src="https://3138146484-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FM1pa9Nct9EmVU4Ol8Mol%2Fuploads%2F7OEDo7t6iEHasUthZFuQ%2Fimage.png?alt=media&amp;token=b9e68dab-a51f-4182-9d45-f8f7ed446a58" alt="" width="563"><figcaption></figcaption></figure>

#### Browser tab name

Customizes the browser tab title so it reflects your organization's branding instead of the default. Type the name you want, then click **Update** to apply it.

#### Square Logo

A square-format logo that represents your organization, best suited for compact placements such as profile icons or footers.

* Click **Replace** to upload a new logo.
* Click **Reset to default logo** to revert to the Tellius default.
* The pencil icon on the logo preview lets you edit the current image.

#### Full Logo

A full-size version of your organization's logo, meant for larger displays such as login screens and headers.

* Click **Replace** to upload a new logo.
* Click **Reset to default logo** to revert to the Tellius default.
* The pencil icon on the logo preview lets you edit the current image.

#### Default Color Palette

Sets the default color palette used across Tellius. The current selection is shown with its name (for example, "Default / Tellius 1") and a preview of its colors.

#### PPT Templates

Manages the PowerPoint templates available when exporting content to PPT, so exports follow your organization's slide branding.

* Each saved template appears as a row showing its name, a preview icon, and a delete (trash) icon.
* Hovering over the preview icon (the small magnifier next to the template name) shows a **"Preview template"** tooltip; clicking it opens a full preview of the template.&#x20;
* In the preview window you can page through the slides using the page controls, zoom in and out, open the template in a larger view, and download it using the download icon next to the template name.
* Click the trash icon on a row to delete that template.

<figure><img src="https://3138146484-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FM1pa9Nct9EmVU4Ol8Mol%2Fuploads%2FmrbJNDHD1Lyk6vJoaIK3%2Fimage.png?alt=media&amp;token=a21f06bd-a843-449d-9ded-e68a71edba71" alt="" width="375"><figcaption></figcaption></figure>

To add a template, click **Add New Template**. The Add New Template dialog has these fields:

* **Template Name** *(required)*: A name for the template.
* **Description (Optional)**: A short description of the template.
* **Upload PowerPoint Template**: Drag and drop your `.pptx` file into the upload area, or click **click to browse** to select it. You can upload one file, up to 10 MB total.
* Click **Upload Template** to save it, or **Cancel** to discard.

#### PDF Templates

Manages the PDF templates available when exporting content to PDF. This section works the same way as PPT Templates.

* Each saved template appears as a row showing its name, a preview icon, and a delete (trash) icon.&#x20;
* Hovering over the preview icon shows a **"Preview template"** tooltip; clicking it opens a full preview, where you can page through the document, zoom, open a larger view, and download the file.&#x20;
* Click the trash icon to delete a template.

<figure><img src="https://3138146484-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FM1pa9Nct9EmVU4Ol8Mol%2Fuploads%2FRHIY99fZLh72LekOKFGd%2Fimage.png?alt=media&amp;token=b27dc206-0744-4b33-8369-bf3c33761580" alt="" width="375"><figcaption></figcaption></figure>

To add a template, click **Add New Template**. The Add New PDF Template dialog has these fields:

* **Template Name** *(required)*: A name for the template.
* **Description (Optional)**: A short description of the template.
* **Upload area**: Drag and drop your `.pdf` file, or click **click to browse** to select it. Only `.pdf` files are supported, one file, up to 10 MB.
* Click **Upload Template** to save it, or **Cancel** to discard.


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