RGB

Overview

Group

Quick Info

Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library

Header File
wingdi.h
Unicode
No
Platform Notes
None

The RGB macro selects a red, green, blue (RGB) color based on the arguments supplied and the color capabilities of the output device.

COLORREF RGB(

BYTE bRed,	// red component of color
BYTE bGreen,	// green component of color
BYTE bBlue	// blue component of color
);

Parameters
cRed

Specifies the intensity of the red color.

cGreen

Specifies the intensity of the green color.

cBlue

Specifies the intensity of the blue color.

Return Values
The return value is the resultant RGB color.

Remarks
The intensity for each argument is in the range 0 through 255. If all three intensities are zero, the result is black. If all three intensities are 255, the result is white.

For information about using color values in a color palette, see the descriptions of the PALETTEINDEX and PALETTERGB macros.

The RGB macro is defined as follows:

#define RGB(r, g ,b) ((DWORD) (((BYTE) (r) | \

((WORD) (g) << 8)) | \

(((DWORD) (BYTE) (b)) << 16)))