---
title: Cb_B
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/vimage_ypcbcrtoargbmatrix/cb_b
---

# Cb_B

The Cb_B value in the conversion matrix.

## Declaration

```swift
var Cb_B: Float
```

## See Also

### Conversion matrix elements

- [Yp](accelerate/vimage_ypcbcrtoargbmatrix/yp.md)
- [Cr_R](accelerate/vimage_ypcbcrtoargbmatrix/cr_r.md)
- [Cr_G](accelerate/vimage_ypcbcrtoargbmatrix/cr_g.md)
- [Cb_G](accelerate/vimage_ypcbcrtoargbmatrix/cb_g.md)