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Supported Color Profi les
Adobe RGB (1998): NKAdobe.icm (Windows)/Nikon Adobe RGB (1998) 4.0.0.3000 (Macintosh)
A color-space profi le defi ned in Adobe Photoshop 5.0. It has a wider gamut than sRGB and
includes the colors found in most CMYK gamuts, making it suitable for users involved in desk-
top publishing. The cor re spond ing RGB setting in Adobe Photoshop 5.0 is “SMPTE-240M,”
the corresponding setting in Adobe Photoshop 5.5 or later “Adobe RGB (1998).”
CIE RGB: NKCIE.icm (Windows)/Nikon CIE RGB 4.0.0.3000 (Macintosh)
A video color-space profi le established by the Commission Internationale de l’Éclairage (CIE).
While it boasts a fairly wide gamut, it suffers from the drawback that the area devoted to the
reproduction of cyan is relatively small. The corresponding RGB setting in Adobe Photoshop
is “CIE RGB.”
Adobe Wide RGB: NKWide.icm (Windows)/Nikon Adobe Wide RGB 4.0.0.3000 (Macintosh)
This color-space profi le, designed by Adobe, incorporates most of the visible colors. This
however has the consequence that most of the colors it can express can not be reproduced
on standard monitors and printers. The corresponding RGB setting in Adobe Photoshop 5.0
or later is “Adobe Wide RGB.”
The gamut of colors that can be expressed in the above color-space profi les is shown in the
following chromaticity (x, y) graph. The greater the area enclosed by the triangle that rep re -
sents the color-space profi le, the wider its gamut.
Gamut