WHERE TO FIND IT

Open a 3D Viewport, press N to open the Sidebar, and select the

"Simply Addons" tab. The Simply Themes panel is shown there.

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1. THEME COLLECTION

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Theme Collection

    Shows the available theme total. The bundled collection currently contains

    129 themes in 17 categories.

Simply / Saved / Folder

    Simply uses the bundled themes. Saved uses themes created with Save Theme.

    Folder loads XML themes from an external folder.

Category

    Select one of the 17 bundled categories. The left and right arrows cycle

    through categories.

Theme

    Select a theme from the active source and category. The arrows cycle

    through the available themes.

Add Folder

    Choose an external folder for custom XML themes.

Save & Share

    Save the current look as a named theme, choose whether it is kept globally

    or with the current blend file, and export it for sharing.

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2. THEME DESIGNER

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Mode

    Default shows the essential controls. Advanced adds icons, alerts,

    Outliner, Node Editor, and additional editor controls.

Theme Designer

    Edit the main palette, accent colors, text colors, transparency, shading,

    corner roundness, and overall dark/light mood.

Reset

    Reload the selected theme and discard unsaved changes.

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3. READABILITY AND VIEWPORT

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Interface & Readability

    Adjust Blender UI scale, line width, border width, and corner handles.

Text & Readability

    Set text and selected-text colors, text size, anti-aliasing, hinting,

    and optional text shadow.

Viewport Background

    Choose a single-color or gradient viewport background and set

    anti-aliasing.

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4. ADVANCED CONTROLS

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Editor Types

    Select an editor such as the 3D Viewport, Image Editor, Node Editor,

    Outliner, or Timeline. Load its current colors, then enable

    "Customize This Editor" to override them independently.

Icons

    Adjust icon alpha, saturation, border intensity, and selected icon colors.

Alerts

    Set the colors used for error, warning, information, and success states.

Outliner

    Customize the Outliner background, text, header, rows, matches, and

    object-state colors.

Node Editor

    Customize shared node-editor colors, node categories, and newer node zones.

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5. QUICK WORKFLOW

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    1. Choose a theme from Theme Collection.

    2. Select Default or Advanced mode.

    3. Adjust the colors and readability controls.

    4. Use Reset if you want to discard unsaved changes.

    5. Open Save & Share and choose Save Theme.

    6. Export the theme if you want to back it up or move it to another setup.