Jump to: navigation, search
Core in version 4.5
Core since version 1.0

glBlendColor: set the blend color

Function Definition

 void glBlendColor(GLfloat red​, GLfloat green​, GLfloat blue​, GLfloat alpha​);
red, green, blue, alpha
specify the components of GL_BLEND_COLOR


The GL_BLEND_COLOR may be used to calculate the source and destination blending factors. See glBlendFunc for a complete description of the blending operations. Initially the GL_BLEND_COLOR is set to (0, 0, 0, 0).


The type of the red​, green​, blue​, and alpha​ parameters was changed from GLclampf to GLfloat. This change is transparent to user code.

Associated Gets

glGet with an argument of GL_BLEND_COLOR

See Also

glBlendFuncSeparate, glBlendEquationSeparate


Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see