Thanks for the feedback...

After some further research, I've discovered some other issues:

yes, the photoshop color settings were wrong on all my machines, they  
were set for print production and not for web and after changing  
those settings things did improve some. The problem of metering a  
jpeg in photoshop vs. metering in a browser virtually went away. BTW,  
I think this has nothing to do with web-safe, web-safe is an old  
concept that came from the 8-bit color era, now with 16 and 24 bit  
color, the concept of web safe has been essentially deprecated.

The main problem I have discovered is that the Photoshop PSD color  
space and the jpeg color space are different. So the major problem  
occurs when you save a photoshop file or section for web as jpeg. A  
major color shift happens regardless of color profile settings/ 
calibration, etc. For some reason, this is not true of PNG files  
which maybe have the same color space as Photoshop files or has color  
correction built into the file format?

Anyway, clients tend to give me layered photoshop and illustrator  
files and I need to spit out web graphics. So I guess one solution is  
to force the client to spit out their own jpegs and color correct  
them before they give them to me. This can be a hassle too though  
since sometimes I need to remove copy and overlapping elements and  
put them back as separate elements, which is easier with a layered file.

~BL

On Aug 26, 2007, at 7:00 PM, Rafael wrote:

>     If I recall correctly, this is an old issue, and the reason why  
> there were "web-safe colors". Basically, it was said that different  
> software may threat images differently because of "inexact" colors  
> and/or different platforms --I don't recall the exact reason, though.
>
>     Do you have the image and color at hand? Maybe this could be  
> more clear if we compare them in our computers and software and  
> tell you whether their the same or not (with platform & software  
> details).

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