Android
To change the color for a contact:
- Open the chat with your contact.
- Tap the contact name or header to view options.
- Tap Color and choose a color.
To change the theme:
- In Signal, tap your profile
> Appearance > Theme. - Choose System, Light or Dark.
iOS
To change the theme:
iOS 13
- In Signal, tap your profile > Appearance.
- Choose System, Light, or Dark.
iOS 10, 11 & 12
- In Signal, tap your profile to view options.
- Tap the moon icon
in the top-right corner.
Desktop
To change the theme:
- Open your Signal Desktop preferences:
- Mac: Go to Signal > Preferences.
- Windows: Go to File > Preferences.
- Linux: Go to File > Preferences. - In the Theme section, choose Light or Dark.