Re: Monitor Accuracy Options
Re: Monitor Accuracy Options
- Subject: Re: Monitor Accuracy Options
- From: Terence Wyse <email@hidden>
- Date: Thu, 06 Jan 2011 11:51:23 -0500
Roger, it would seem color management is a LIGHT art as well as a BLACK art, no?
:-)
Terry
On Jan 5, 2011, at 11:27 PM, Roger Breton wrote:
> That "pinkish grays" story is really indicative of some unwanted or
> unexpected interaction of the print with the ambient lighting.
>
> I was looking at two sets of prints, today, under two different light
> sources, both prints made to SWOP2006_C3 with AbsCol. 1.5 dE avg, max 4 to
> C3. Both made on two different inkjet media, with two different generation
> of Epson inks, out of two different output systems, iterated with different
> instrumentation. Under JNL lighting, the differences in the prints were one
> way while under GTI lighting, the difference was another way. Still, we
> could see some print differences common to both light sources -- reassuring.
> The neutrals, in particular, were rather different. Under one light, proof X
> appeared greenish while under the other light, proof X appeared more
> neutral, perhaps a tad blue. The one salient feature, though, was that the
> neutrals retained their respective appearances across both light sources,
> with one type of lighting bringing out more of that greenish appearance than
> the other. Good or bad, that visual "effect" remained and, IMO, is related
> to how both tubes excite the different colorants in the respective
> substrates differently.
>
> Best / Roger
>
> -----Original Message-----
> From: colorsync-users-bounces+graxx=email@hidden
> [mailto:colorsync-users-bounces+graxx=email@hidden] On
> Behalf Of Randy Zaucha
> Sent: January-05-11 10:00 PM
> To: email@hidden
> Subject: Monitor Accuracy Options
>
> Yes, the PDF's are real Adobe RGB. When the rendering is opened, it is
> assigned sRGB and converted to Adobe RGB. All destination space assignments
> for PDF creation is Adobe RGB.
>
> As far as the lighting goes, to see if the lighting was the reason for the
> warm reds and browns I took the print next to a window sheilding it from the
> office light and I even walked it outside. That was not the reason. I
> encourage all who want more accurate color creation to put a viewing booth
> or lamp next to their monitor. If the lighting causes problems I point it
> out and tell them they have to accept it or change it. While this case is
> typical with lighting making "pinky grays", the warmer red/brown shift was
> so evident, I had to write this group to see if there is a way to solve or
> edit this color shift.
>
> Randy Zaucha
> Managed Color
>
>
>
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