---
title: "EXT_color_buffer_half_float | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface EXT\_color\_buffer\_half\_float

The **`EXT_color_buffer_half_float`** extension is part of the WebGL API and adds the ability to render to 16-bit floating-point color buffers.

[MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_color_buffer_half_float)

interface EXT\_color\_buffer\_half\_float {  
    [FRAMEBUFFER\_ATTACHMENT\_COMPONENT\_TYPE\_EXT](#framebuffer_attachment_component_type_ext): 33297;  
    [RGB16F\_EXT](#rgb16f_ext): 34843;  
    [RGBA16F\_EXT](#rgba16f_ext): 34842;  
    [UNSIGNED\_NORMALIZED\_EXT](#unsigned_normalized_ext): 35863;  
}

##### Index

### Properties[](#properties)

[FRAMEBUFFER\_ATTACHMENT\_COMPONENT\_TYPE\_EXT](#framebuffer_attachment_component_type_ext) [RGB16F\_EXT](#rgb16f_ext) [RGBA16F\_EXT](#rgba16f_ext) [UNSIGNED\_NORMALIZED\_EXT](#unsigned_normalized_ext)

## Properties[](#properties-1)

### `Readonly`FRAMEBUFFER\_ATTACHMENT\_COMPONENT\_TYPE\_EXT[](#framebuffer_attachment_component_type_ext)

FRAMEBUFFER\_ATTACHMENT\_COMPONENT\_TYPE\_EXT: 33297

### `Readonly`RGB16F\_EXT[](#rgb16f_ext)

RGB16F\_EXT: 34843

### `Readonly`RGBA16F\_EXT[](#rgba16f_ext)

RGBA16F\_EXT: 34842

### `Readonly`UNSIGNED\_NORMALIZED\_EXT[](#unsigned_normalized_ext)

UNSIGNED\_NORMALIZED\_EXT: 35863