Filters in CMYK mode

A
Posted By
a
Sep 28, 2006
Views
246
Replies
6
Status
Closed
I need to spec a specific CMYK value (100C, 70M, 30K) but I also need to apply a texture filter to that layer but they’re only available in RGB. If I plug those CMYK values into the color picker while working in RGB, I would think I would get an RGB value that would convert back to my original CMYK value but instead it comes back with a CMYK value that’s out of gamut.

What am I missing?

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MH
Mike Hyndman
Sep 28, 2006
"CraigM" wrote in message
I need to spec a specific CMYK value (100C, 70M, 30K) but I also need to apply a texture filter to that layer but they’re only available in RGB. If I
plug those CMYK values into the color picker while working in RGB, I would think I would get an RGB value that would convert back to my original CMYK value but instead it comes back with a CMYK value that’s out of gamut.
What am I missing?
I don’t know if this might help, but what colour space are you working in sRGB or Adobe RGB?
Adobe RGB gives better results in CMYK than sRGB (sometimes ;))

MH
A
a
Sep 28, 2006
Working in ARGB, calibrated with Spyder2Pro, proof setup is the default working CMYK.

Weird that if I start off with a CMYK switch to RGB with little onscreen color change (although it says it’s out of gamut) then go back to CMYK I get a muddy 100/82/27/11.

It may not matter since the texturing will alter the color anyway.

Thanks, Mike.

"Mike Hyndman" wrote in message
"CraigM" wrote in message
I need to spec a specific CMYK value (100C, 70M, 30K) but I also need to apply a texture filter to that layer but they’re only available in RGB.
If
I
plug those CMYK values into the color picker while working in RGB, I
would
think I would get an RGB value that would convert back to my original
CMYK
value but instead it comes back with a CMYK value that’s out of gamut.
What am I missing?
I don’t know if this might help, but what colour space are you working in sRGB or Adobe RGB?
Adobe RGB gives better results in CMYK than sRGB (sometimes ;))
MH

MH
Mike Hyndman
Sep 28, 2006
"CraigM" wrote in message
Working in ARGB, calibrated with Spyder2Pro, proof setup is the default working CMYK.

Weird that if I start off with a CMYK switch to RGB with little onscreen color change (although it says it’s out of gamut) then go back to CMYK I get
a muddy 100/82/27/11.

It may not matter since the texturing will alter the color anyway.
Thanks, Mike.

Sorry not have been more helpful. ;(

Mike H
"Mike Hyndman" wrote in message
"CraigM" wrote in message
I need to spec a specific CMYK value (100C, 70M, 30K) but I also need to apply a texture filter to that layer but they’re only available in RGB.
If
I
plug those CMYK values into the color picker while working in RGB, I
would
think I would get an RGB value that would convert back to my original
CMYK
value but instead it comes back with a CMYK value that’s out of gamut.
What am I missing?
I don’t know if this might help, but what colour space are you working in sRGB or Adobe RGB?
Adobe RGB gives better results in CMYK than sRGB (sometimes ;))
MH

MH
Mike Hyndman
Sep 28, 2006
"CraigM" wrote in message
Working in ARGB, calibrated with Spyder2Pro, proof setup is the default working CMYK.

Weird that if I start off with a CMYK switch to RGB with little onscreen color change (although it says it’s out of gamut) then go back to CMYK I get
a muddy 100/82/27/11.

It may not matter since the texturing will alter the color anyway.
Thanks, Mike.

This NG is seeing posts from the adobeforum, sadly they do not see this NG. You could try asking this question in the Adobeforum by going to http://Adobeforums.com and registering with the Photoshop forum (free).

MH
"Mike Hyndman" wrote in message
"CraigM" wrote in message
I need to spec a specific CMYK value (100C, 70M, 30K) but I also need to apply a texture filter to that layer but they’re only available in RGB.
If
I
plug those CMYK values into the color picker while working in RGB, I
would
think I would get an RGB value that would convert back to my original
CMYK
value but instead it comes back with a CMYK value that’s out of gamut.
What am I missing?
I don’t know if this might help, but what colour space are you working in sRGB or Adobe RGB?
Adobe RGB gives better results in CMYK than sRGB (sometimes ;))
MH

A
a
Sep 29, 2006
Yeah, I noticed that. Why are forum messages being posted here when there is no communication? I am a member of the Adobe forum but I find the NGs easier to deal with. I’ll pop over there.

"Mike Hyndman" wrote in message
"CraigM" wrote in message
Working in ARGB, calibrated with Spyder2Pro, proof setup is the default working CMYK.

Weird that if I start off with a CMYK switch to RGB with little onscreen color change (although it says it’s out of gamut) then go back to CMYK I get
a muddy 100/82/27/11.

It may not matter since the texturing will alter the color anyway.
Thanks, Mike.

This NG is seeing posts from the adobeforum, sadly they do not see this
NG.
You could try asking this question in the Adobeforum by going to http://Adobeforums.com and registering with the Photoshop forum (free).
MH
"Mike Hyndman" wrote in message
"CraigM" wrote in message
I need to spec a specific CMYK value (100C, 70M, 30K) but I also need
to
apply a texture filter to that layer but they’re only available in
RGB.
If
I
plug those CMYK values into the color picker while working in RGB, I
would
think I would get an RGB value that would convert back to my original
CMYK
value but instead it comes back with a CMYK value that’s out of
gamut.
What am I missing?
I don’t know if this might help, but what colour space are you working
in
sRGB or Adobe RGB?
Adobe RGB gives better results in CMYK than sRGB (sometimes ;))
MH

MH
Mike Hyndman
Sep 29, 2006
"CraigM" wrote in message
Yeah, I noticed that. Why are forum messages being posted here when there is
no communication? I am a member of the Adobe forum but I find the NGs easier
to deal with. I’ll pop over there.

"We" get a leak through from them now and again, doesn’t usually last as long as this one has though.

MH
"Mike Hyndman" wrote in message
"CraigM" wrote in message
Working in ARGB, calibrated with Spyder2Pro, proof setup is the default working CMYK.

Weird that if I start off with a CMYK switch to RGB with little onscreen
color change (although it says it’s out of gamut) then go back to CMYK I
get
a muddy 100/82/27/11.

It may not matter since the texturing will alter the color anyway.
Thanks, Mike.

This NG is seeing posts from the adobeforum, sadly they do not see this
NG.
You could try asking this question in the Adobeforum by going to http://Adobeforums.com and registering with the Photoshop forum (free).
MH
"Mike Hyndman" wrote in message
"CraigM" wrote in message
I need to spec a specific CMYK value (100C, 70M, 30K) but I also need
to
apply a texture filter to that layer but they’re only available in
RGB.
If
I
plug those CMYK values into the color picker while working in RGB, I
would
think I would get an RGB value that would convert back to my original
CMYK
value but instead it comes back with a CMYK value that’s out of
gamut.
What am I missing?
I don’t know if this might help, but what colour space are you working
in
sRGB or Adobe RGB?
Adobe RGB gives better results in CMYK than sRGB (sometimes ;))
MH

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