1991-2006 Silicon Graphics, Inc.
glClearColor 3G
glClearColor specify clear values for the color buffers

## C Specification

void `glClearColor` GLfloat red GLfloat green GLfloat blue GLfloat alpha

## Parameters

red
green
blue
alpha

  Specify the red, green, blue, and alpha values used when the color buffers are cleared. The initial values are all 0.

## Description

`glClearColor` specifies the red, green, blue, and alpha values used by glClear to clear the color buffers. Values specified by `glClearColor` are clamped to the range 0 1 .

## Notes

The type of the red, green, blue, and alpha parameters was changed from GLclampf to GLfloat. This change is transparent to user code and is described in detail on the removedTypes page.

## Associated Gets

glGet with argument `GL_COLOR_CLEAR_VALUE`

## See Also

glClear, removedTypes

## Copyright

Copyright 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.