RGB info  Overview  Group

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(

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))) 

 

See Also

PALETTEINDEX, PALETTERGB