---
title: userInterfaceStyle
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uimutabletraits-13ja5/userinterfacestyle
---

# userInterfaceStyle

The style associated with the user interface.

## Declaration

```swift
var userInterfaceStyle: UIUserInterfaceStyle { get set }
```

## Discussion

Discussion Use this trait to determine whether your interface should be configured with a dark or light appearance. The default value of this trait is set to the corresponding appearance setting on the user’s device.

## See Also

### Getting and setting trait values

- [accessibilityContrast](uikit/uimutabletraits-13ja5/accessibilitycontrast.md)
- [activeAppearance](uikit/uimutabletraits-13ja5/activeappearance.md)
- [displayGamut](uikit/uimutabletraits-13ja5/displaygamut.md)
- [displayScale](uikit/uimutabletraits-13ja5/displayscale.md)
- [forceTouchCapability](uikit/uimutabletraits-13ja5/forcetouchcapability.md)
- [headroomUsageLimit](uikit/uimutabletraits-13ja5/headroomusagelimit.md)
- [horizontalSizeClass](uikit/uimutabletraits-13ja5/horizontalsizeclass.md)
- [imageDynamicRange](uikit/uimutabletraits-13ja5/imagedynamicrange.md)
- [layoutDirection](uikit/uimutabletraits-13ja5/layoutdirection.md)
- [legibilityWeight](uikit/uimutabletraits-13ja5/legibilityweight.md)
- [listEnvironment](uikit/uimutabletraits-13ja5/listenvironment.md)
- [preferredContentSizeCategory](uikit/uimutabletraits-13ja5/preferredcontentsizecategory.md)
- [resolvesNaturalAlignmentWithBaseWritingDirection](uikit/uimutabletraits-13ja5/resolvesnaturalalignmentwithbasewritingdirection.md)
- [sceneCaptureState](uikit/uimutabletraits-13ja5/scenecapturestate.md)
- [splitViewControllerLayoutEnvironment](uikit/uimutabletraits-13ja5/splitviewcontrollerlayoutenvironment.md)