# PRIM_ALPHA_MODE_EMISSIVE

*LSL constant*

```lsl
integer PRIM_ALPHA_MODE_EMISSIVE = 3;
```

Constant groups: [AlphaMode](/constants/groups/AlphaMode/)

Used with [PRIM_ALPHA_MODE](/constants/PRIM_ALPHA_MODE/). Prims faces set to this type render with an emissivity corresponding to the opacity of each pixel of the diffuse texture. The more opaque a pixel is, the brighter it renders under all lighting conditions. A fully-opaque pixel will effectively render as 'full bright'.

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*Source: [PRIM ALPHA MODE EMISSIVE](https://wiki.secondlife.com/wiki/PRIM_ALPHA_MODE_EMISSIVE) on the Second Life Wiki. Content from the Second Life Wiki article PRIM ALPHA MODE EMISSIVE (revision 1191453, 2014-06-20), CC BY-SA 3.0.*

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From lsl.dev: https://lsl.dev/constants/PRIM_ALPHA_MODE_EMISSIVE/