NowVoiceThemeDark class - Android

concept brazil Updated Sep 10, 2026 1 min read NowVoiceThemeDarkAndroidClass.md

A prebuilt dark theme implementation of NowVoiceTheme.

Apply the dark theme to the voice agent UI by passing it to NowVoiceService - start() or NowVoiceService - updateTheme().

Name	Default	Description
actionablePrimaryAIBackgroundColorGradientEnd	#71D5FE	AI gradient background end color.
actionablePrimaryAIBackgroundColorGradientStart	#86F673	AI gradient background start color.
alertCritical0	#7B1D28	Error and critical alert background (close button).
alertCritical4	#ED9AA3	Error and critical alert icon color.
alertInfo0	#00446B	Info alerts background.
alertInfo3	#3F9CD1	Info alerts level 3.
alertLow2	#717681	Low priority alerts.
backgroundPrimary	#050809	Neutral background and dialog background.
backgroundSecondary	#161F23	Secondary background and user message bubbles.
brandBackground	#002934	Transcript button background when selected.
destructive	#E46775	Destructive actions and error states.
highlightGreen	#1E4A25	Green highlight in voice chat.
highlightYellow	#4A3C00	Yellow highlight in voice chat.
messagingIconPrimaryAIColor	#178BAB	Primary color for AI assistant icons.
presenceAvailable	#4EA800	Presence available indicator in voice chat.
primary	#6CBBD0	Primary action color, transcript icon when selected.
secondary	#99C6D2	Animated background gradient shown during a voice interaction.
textActionable	#050809	Text on action buttons or highlighted background.
textPrimary	#FFFFFF	Primary text color for UI elements.
textSecondary	#E2E5E7	Secondary text color.
textTertiary	#BCC3C7	Tertiary text color, connection state text.

[Omitted image "NowVoiceThemeDarkAnd.png"] Alt text: Color palette for NowVoiceThemeDark

The following code example shows how to use NowVoiceThemeDark.

JavaScript

//voiceService is an initialized NowVoiceService
// Apply theme at voice session launchvoiceService.start(context, endpoint, theme = NowVoiceThemeDark())
// Or update theme while a voice session is activevoiceService.updateTheme(NowVoiceThemeDark())

Parent Topic:Mobile SDK - Android

Related topics

NowVoiceTheme interface - Android

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---
title: NowVoiceThemeDark class - Android
description: A prebuilt dark theme implementation of NowVoiceTheme.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/api-reference/cllent-mobile-api-reference/NowVoiceThemeDarkAndroidClass.html
release: brazil
product: Cllent Mobile API Reference
classification: cllent-mobile-api-reference
topic_type: concept
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Mobile SDK - Android, Mobile SDK API reference, API reference, API implementation and reference]
---

# NowVoiceThemeDark class- Android

A prebuilt dark theme implementation of NowVoiceTheme.

Apply the dark theme to the voice agent UI by passing it to [NowVoiceService - start\(\)](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/api-reference/cllent-mobile-api-reference/NowVoiceServiceAndroidAPI.md) or [NowVoiceService - updateTheme\(\)](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/api-reference/cllent-mobile-api-reference/NowVoiceServiceAndroidAPI.md).

|Name|Default|Description|
|----|-------|-----------|
|actionablePrimaryAIBackgroundColorGradientEnd|\#71D5FE|AI gradient background end color.|
|actionablePrimaryAIBackgroundColorGradientStart|\#86F673|AI gradient background start color.|
|alertCritical0|\#7B1D28|Error and critical alert background \(close button\).|
|alertCritical4|\#ED9AA3|Error and critical alert icon color.|
|alertInfo0|\#00446B|Info alerts background.|
|alertInfo3|\#3F9CD1|Info alerts level 3.|
|alertLow2|\#717681|Low priority alerts.|
|backgroundPrimary|\#050809|Neutral background and dialog background.|
|backgroundSecondary|\#161F23|Secondary background and user message bubbles.|
|brandBackground|\#002934|Transcript button background when selected.|
|destructive|\#E46775|Destructive actions and error states.|
|highlightGreen|\#1E4A25|Green highlight in voice chat.|
|highlightYellow|\#4A3C00|Yellow highlight in voice chat.|
|messagingIconPrimaryAIColor|\#178BAB|Primary color for AI assistant icons.|
|presenceAvailable|\#4EA800|Presence available indicator in voice chat.|
|primary|\#6CBBD0|Primary action color, transcript icon when selected.|
|secondary|\#99C6D2|Animated background gradient shown during a voice interaction.|
|textActionable|\#050809|Text on action buttons or highlighted background.|
|textPrimary|\#FFFFFF|Primary text color for UI elements.|
|textSecondary|\#E2E5E7|Secondary text color.|
|textTertiary|\#BCC3C7|Tertiary text color, connection state text.|

\[Omitted image "NowVoiceThemeDarkAnd.png"\] Alt text: Color palette for NowVoiceThemeDark

The following code example shows how to use NowVoiceThemeDark.

```
//voiceService is an initialized NowVoiceService

// Apply theme at voice session launch
voiceService.start(context, endpoint, theme = NowVoiceThemeDark())

// Or update theme while a voice session is active
voiceService.updateTheme(NowVoiceThemeDark())
```

**Parent Topic:**[Mobile SDK - Android](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/api-reference/cllent-mobile-api-reference/MobileSDKAndroidAPI.md)

**Related topics**  


[NowVoiceTheme interface - Android](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/api-reference/cllent-mobile-api-reference/NowVoiceThemeAndroidInterface.md)