---
title: "brightnessMin | Mobile sdk | Mobile sdk android | Android"
description: "brightnessMin"
---

# brightnessMin

var [brightnessMin](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style.layer.raster/-m-t-raster-layer/brightness-min/): [Double](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-double/index.html)?

Increase or reduce the brightness of the image. The value is the minimum brightness. Optional number between 0 and 1 inclusive. Defaults to 0.