---
title: tertiarySystemFill
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nscolor/tertiarysystemfill
---

# tertiarySystemFill

A color appropriate for filling medium-size shapes, such as the backing of a switch.

## Declaration

```swift
class var tertiarySystemFill: NSColor { get }
```

## See Also

### Fill colors

- [quaternarySystemFill](appkit/nscolor/quaternarysystemfill.md)
- [quinaryLabel](appkit/nscolor/quinarylabel.md)
- [quinarySystemFill](appkit/nscolor/quinarysystemfill.md)
- [secondarySystemFill](appkit/nscolor/secondarysystemfill.md)
- [systemFill](appkit/nscolor/systemfill.md)
- [textInsertionPointColor](appkit/nscolor/textinsertionpointcolor.md)