---
title: HMCharacteristicTypeHue
framework: homekit
role: symbol
role_heading: Global Variable
path: homekit/hmcharacteristictypehue
---

# HMCharacteristicTypeHue

The hue of the color used by a light.

## Declaration

```swift
let HMCharacteristicTypeHue: String
```

## Discussion

Discussion The corresponding value is a floating point number in units of arc degrees. Values range from 0 to 360, representing the color spectrum starting from red, through yellow, green, cyan, blue, and finally magenta, before wrapping back to red.

## See Also

### Light

- [HMCharacteristicTypeCurrentLightLevel](homekit/hmcharacteristictypecurrentlightlevel.md)
- [HMCharacteristicTypeBrightness](homekit/hmcharacteristictypebrightness.md)
- [HMCharacteristicTypeSaturation](homekit/hmcharacteristictypesaturation.md)
- [HMCharacteristicTypeColorTemperature](homekit/hmcharacteristictypecolortemperature.md)