---
title: SCNBlendMode.subtract
framework: scenekit
role: symbol
role_heading: Case
path: scenekit/scnblendmode/subtract
---

# SCNBlendMode.subtract

Blend by subtracting the source color from the destination color.

## Declaration

```swift
case subtract
```

## See Also

### Constants

- [SCNBlendMode.alpha](scenekit/scnblendmode/alpha.md)
- [SCNBlendMode.add](scenekit/scnblendmode/add.md)
- [SCNBlendMode.multiply](scenekit/scnblendmode/multiply.md)
- [SCNBlendMode.screen](scenekit/scnblendmode/screen.md)
- [SCNBlendMode.replace](scenekit/scnblendmode/replace.md)