CMYK becomes RGB after sending by e-mail?

OK
Posted By
Otari Kew
Sep 17, 2003
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415
Replies
3
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Closed
Hi all,

Is it possible that a CMYK-TIFF image, send from a Macintosh (OS 9 with Entourage) becomes RGB by sending it to a Windows computer/server?

Haven’t have any more details. Only that the image isn’t compressed with SIT or ZIP and AppleDouble is used as encoding.

Please help!

Jeroen
Related Tags
cmyk rgb send

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N
nomail
Sep 17, 2003
Otari Kew wrote:

Is it possible that a CMYK-TIFF image, send from a Macintosh (OS 9 with Entourage) becomes RGB by sending it to a Windows computer/server?
Haven’t have any more details. Only that the image isn’t compressed with SIT or ZIP and AppleDouble is used as encoding.

No, that is not possible. CYMK is four colors per pixel, so it is 32 bits per pixel. RGB is either 24 bits per pixels or 48 bits per pixel, but never 32 bits per pixel. There is no way that this is somehow changed simply by sending it from one computer to another, not even when the other is a Windows computer. It *IS* possible however that some Windows program COVERTS your image to RGB when it is opened, without telling you.

—
Johan W. Elzenga johan<<at>>johanfoto.nl Editor / Photographer http://www.johanfoto.nl/
T
TheCroW
Sep 17, 2003
Hi all,

Is it possible that a CMYK-TIFF image, send from a Macintosh (OS 9 with Entourage) becomes RGB by sending it to a Windows computer/server?
Haven’t have any more details. Only that the image isn’t compressed with
SIT
or ZIP and AppleDouble is used as encoding.

Please help!

Jeroen

Depends on the Windows program that opens it. If that program does not know CMYK, then maybe it converts it to RGB …..

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Menno
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TT
Tom Thackrey
Sep 17, 2003
On 17-Sep-2003, Otari Kew wrote:

Is it possible that a CMYK-TIFF image, send from a Macintosh (OS 9 with Entourage) becomes RGB by sending it to a Windows computer/server?
Haven’t have any more details. Only that the image isn’t compressed with SIT
or ZIP and AppleDouble is used as encoding.

It sounds to me like the windows app can not open the tiff for some reason and is using the preview instead.

—
Tom Thackrey
www.creative-light.com

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