---
title: lumens
framework: modelio
role: symbol
role_heading: Instance Property
path: modelio/mdlphysicallyplausiblelight/lumens
---

# lumens

The total visible intensity of the light source, in lumens.

## Declaration

```swift
var lumens: Float { get set }
```

## Discussion

Discussion The default intensity is 1000 lumens.

## See Also

### Managing Light Color and Intensity

- [color](modelio/mdlphysicallyplausiblelight/color.md)
- [setColorByTemperature(_:)](modelio/mdlphysicallyplausiblelight/setcolorbytemperature(_:).md)