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Create a Theme

The Sass Theme Builder for Telerik® UI for ASP.NET AJAX is a convenient customization tool providing the ability and power to create your own custom Lightweight skins quickly and efficiently. This can be easily achieved without the necessity of understanding the underlying HTML and CSS structure of the controls.

Get familiar with the Interface

The following figure describes the usage of the Theme Builder's interface.


  1. Swatches column contains various predefined pallettes applied on all selected controls.
  2. Theme Colors column provides the applicable color customization options.
  3. Controls provides you with the ability to show/hide controls from the Theme Preview.
  4. Download button is used after customization is finalized. It downloads the archive holding the generated stylesheet files. Once the button is clicked, you will be prompted with a dialog where you can name your skin.

Creating a New Theme

To get started, open the Theme Builder at and click on Start Theming.

  1. Select one of the existing Skins to use as a base
  2. Select the controls which you intend to style
  3. Click Create.

The following animated gif is an example showing how to get started

Start Theming

Customize the Colors

Customize Colors: Applying the desired colors is pretty straightforward. The Theme Builder provides Color pickers for customizing the appearance of the controls and the changes can be observed on the fly.

Changing Colors

Color Swatches

Color Swatches are a set of pre-defined color combinations that can be used right away or even customized if needed.

Color Swatches

Next Steps

Once you have chosen the desired colors for your theme, you need to Download and use it in your project

See Also

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