--- title: NowWebTheme interface - Android description: The NowWebTheme interface provides properties that enable you to override the colors used within web pages hosted on your ServiceNow instance in a native web view. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/api-reference/cllent-mobile-api-reference/NowWebThemeAndroidInterface.html release: australia product: Cllent Mobile API Reference classification: cllent-mobile-api-reference topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Mobile SDK - Android, Mobile SDK API reference, API reference, API implementation and reference] --- # NowWebTheme interface- Android The NowWebTheme interface provides properties that enable you to override the colors used within web pages hosted on your ServiceNow instance in a native web view. The NowWebTheme interface extends the NowUITheme interface and inherits the property **nowUIColoring**. `val nowUIColoring: NowUIColoring?` This property is used to reference color variables that NowWebTheme can use. For additional information on how to theme the UI, see [Use NowUIColoring to theme NowWebTheme and NowChatTheme](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/api-reference/developer-guides/mobsdk-and-color-theming.md) in the Mobile SDK Developer Guide - Android. The default colors use the Coral theme.
| Name | Description |
|---|---|
| alertCritical0 | Use for: - error messages - snackbar background Default value: \#F9C8CE |
| alertCritical3 | Use for: - error messages - snackbar border Default value: \#E52239 |
| alertPositive0 | Use for: - success messages - snackbar background Default value: \#C7DCB5 |
| alertPositive3 | Use for: - success messages - snackbar border Default value: \#3E8600 |
| alertWarning0 | Use for: - warning messages - snackbar background Default value: \#ECE5BF |
| alertWarning3 | Use for: - warning messages - snackbar border Default value: \#B29800 |
| backgroundPrimary | Use for: - card background - choice picker - input background - neutral background Default value: \#FFFFFF |
| backgroundSecondary | Use for overflow menu background.Default value: \#F5F6F7 |
| backgroundTertiaryActionable | Use for the background color for the topic dialog search and edit text.Default value: \#37444A |
| brand | Use for the header background in the toolbar and tables.Default value: \#032D42 |
| notification | Use for new message indicator.Default value: \#E52239 |
| primary | Use for:- actionable text - button backgrounds Default value: \#00566E |
| screenHeaderText | Use for text and icon elements with a fixed color that appear on top of the brand color \(screen header/toolbar\).Default value: \#FFFFFF |
| textActionable | Use for: - highlighted background - text on action buttons Default value: \#FFFFFF |
| textPrimary | Use for: - alert dialog messages - card header text - chat bubble text - picture title and description - topic text Default value: \#10171A |
| webPageThemeId | Sys\_id of the theme to apply to the ServiceNow web pages loaded by NowWeb. Default value: Configured default theme Table: UX Theme \[sys\_ux\_theme\] table. |
| webPageThemeVariantId | Sys\_id of the theme variant to apply to the ServiceNow web pages loaded by NowWeb. Default value: Configured default theme variant Table: UX Style \[sys\_ux\_style\] table. |