1991-2006 Silicon Graphics, Inc.
glBlendColor 3G
glBlendColor set the blend color

## C Specification

void `glBlendColor` GLfloat red GLfloat green GLfloat blue GLfloat alpha

## Parameters

red
green
blue
alpha

  specify the components of `GL_BLEND_COLOR`

## Description

The `GL_BLEND_COLOR` may be used to calculate the source and destination blending factors. The color components are clamped to the range 0 1 before being stored. See glBlendFunc for a complete description of the blending operations. Initially the `GL_BLEND_COLOR` is set to (0, 0, 0, 0).

## 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 an argument of `GL_BLEND_COLOR`

## See Also

glBlendEquation, glBlendFunc, glGetString, 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/.