---
sourceDocument: Brazil Build or modify applications
sourceDocumentLink: https://www.servicenow.com/docs/r/application-development

 Release :

    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Theming with Lux

# Theming with Lux {#ariaid-title1}

Release version: Brazil  
Updated September 29, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Lux generates every theme token from a brand configuration. Developers set an app's default look in code, and admins can change tokens or assign themes per user without a rebuild.