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This is an overview of the default themes and applicable add-on themes for each ZK version.

ZK 6.5 ZK 7.0 ZK 8.0 ZK 8.5
Default Theme Breeze Breeze Breeze Iceblue
Applicable Themes Sapphire, Silvertail Sapphire, Silvertail, Atlantic Sapphire, Silvertail, Atlantic Sapphire, Silvertail, Atlantic, ZK Theme Pack (23 Themes)

Trendy Design Themes: Breeze, Sapphire, Silvertail

Trendy design emphasizes on gradient background, rounded corners and shadow effects. Breeze is a greyish based theme that supports desktop and tablet, sapphire is a blueish based theme that supports desktop only and silvertail is a silverish based theme that also support desktop only.

See below to take a quick view at the look and feel of Breeze, Sapphire and Silvertail, click image to view original size.


Flat Design Theme: Atlantic

On the contrary, flat design replaces skeuomorphism (gradient background, rounded corner and shadow effect) with simplicity and visual clarity to communicate. It is easy to create and customize a new theme based on this design. Atlantic is a blueish based theme that supports both desktop and tablets.

See below to take a quick view at the look and feel of Atlantic, click image to view original size.


Not to Import Google Font

Please refer to ZK Configuration Reference/zk.xml/The Library Properties/org.zkoss.theme.atlantic.useGoogleFont.disabled

ZK Theme Pack: 23 themes

 since 8.5.0

ZK Theme Pack contains 23 modern themes, including lite themes, dark themes and mix-match themes. These themes are designed for ZK 8.5 and later versions and are compatible with ZK 8.5's default Iceblue theme.

Lite themes: Poppy, Marigold, Olive, Aurora, Iceblue(default), Lavender

Dark themes: Ruby, Amber, Emerald, Aquamarine, Montana, Violet

Mix-match: Cheese and Wine, Winter Spring, Blueberry and Raspberry, Macaron, Deep Sea, Garden Salad, Zen, Mysterious Green, Cardinal, Space Black, Office and Material

You can find below some selected screenshots from ZK Theme Pack.


ZK85 Theme Lite.png


ZK85 Theme Dark.png


ZK85 Theme Mix.png


  1. Download the preferred theme.jar file or obtain by maven.
  2. Place theme.jar file under "projectName/WEB-INF/lib" folder.
  3. Apply preferred theme by a library property in zk.xml file under "projectName/WEB-INF" folder
<!-- zk.xml -->
    <value>sapphire</value> <!-- or silvertail, atlantic, deepsea, gardensalad etc. -->

Theme Artifact


All Theme Names of Theme Pack

  1. iceblue
  2. amber
  3. aquamarine
  4. aurora
  5. blueberryandraspberry
  6. cardinal
  7. cheeseandwine
  8. deepsea
  9. emerald
  10. gardensalad
  11. lavender
  12. macaron
  13. marigold
  14. material
  15. montana
  16. mysteriousgreen
  17. office
  18. olive
  19. poppy
  20. ruby
  21. spaceblack
  22. violet
  23. winterspring
  24. zen

Switching Themes

You can include multiple themes in the same application and allow your end users to choose their preferred themes. For more information please refer to Switching Themes

Customizing a Theme

To build a custom theme based on a standard ZK theme, read Customize a standard theme.

Also, reference Theming and Styling.

Version History

Last Update : 2018/8/10

Version Date Content

Copyright © Potix Corporation. This article is licensed under GNU Free Documentation License.