color settings

[bvahan5]

i use PhShop 7.0 for a design of business cards
as a rule colors are coming darker, with a shift towards red...

i feel that color settings are wrong
colors change even when i simply open the file and save it with no changes

i have - Web Graphic Defaults
however I need for paper print, not for web

working space is set up to
RGB - sRGB IEC61966-2.1
CMYK - US Web Coated (SWOP) v2
Gray - Gray Gamma 2.2

Mngmt policies - all off

- - -

what are the correct color settings?
where it is written about color settings?

thanks for help

 

[jmgalvin]

Unless you have a hardware color calibrator for your monitor, the chances of colors on screen matching print are pretty weak. If you have a mac you can use the built in software calibrator available from display prefs/color. If pc you can see if you have the Adobe Gamma software color calibration. Make sure that the rgb setting matches the rgb profile for your monitor

If you're using a standard color inkjet to print the cards, make sure your mode is set to rgb - image menu - as the only printers that recognize cmyk are postscript printers.

For common inkjets, color management often works better that profiling. You might want to check the profile for your printer though. All printers have extensive controls for controlling color so its best to experiment until you get a good matcha and then save that as a print preset.

Using OSX 10.3.9 on a G4

 

[bvahan5]

I do not have Gamma, use PC
I don't print on desktop, I send art work to commercial printer with large printing equipment

 

[jmgalvin]

Adobe gamma should install when you install photoshop on a PC.

Look for it on your pc or check the install cd. If you google Adobe Gamma you'll get more infoe on running it, from the Adobe site.

It's the first step in tryin gto get a color match. Unless you do some sort of monitor calibrations, you're dead for color matching.

Using OSX 10.3.9 on a G4

 

[mscallisto]

Adobe Gamma can usually be found in the control panel.

Start > Control Panel > DoubleClick AdobeGamma Icon and follow instructions

 

[bvahan5]

thanks
Gamma was on the Control Panel
I followed its iterations, and don't see any changes in colors...

 

[cebebe]

Hi, never easy! I suggest you try the following:
- be sure your mode is correct (RGB / CMYK)
- go to >view >proof setup and coose the right one (or make your own based on the printer)
- go to >view >proof color (Ctrl+Y) to activate the process
You'll see the simulated colors.
Don't forget to diseable (or change) this feature for another work for another output!!

 

[bvahan5]

2 cebebe

i don't feel any changes in Proof Setup
what option I need to choose if I send final files to commercial printer with large press?

few questions

1.
when open given "abc1" JPG file as just save it as "abc2.jpg" with no changes, it makes file size 3-4 times bigger
why?

2.
is it preferrable for print to use TIF file instead of RGB?
when save as TIF colors change - it adds more red, green, makes darker

3.
when open given file do I have to convert to my profile, or to leave embedded, or to discard any?

 

[apepp]

...jpg image file sizes are dependant on your compression settings upon saving, best to avoid jpeg if possible or really concerned with quality...

...tif is a file format, RGB is a color space, you can have an RGB tif format file, but most print providers will prefer CMYK tif instead, this is dependant on your print providers color workflow, the conversion from RGB to CMYK either occurs with them or you do it first...

...the colors are probably changing because you are opening the images and converting to another profile upon opening, bear in mind colors can change on screen but the actual colors don't, this depends on your color settings...

...if in doubt when opening images with profiles, use the embedded. Assigning profiles is different to converting to a profile, converting actually changes the color numbers. Assigning changes the color appearance...

...color management is a big area to cover with many variables involved, see previous post here:

http://www.tek-tips.com/viewthread.cfm?qid=1347402

...another link to feed the brain:

http://www.colormanagement.com/tech...g_companies/adobe_systems/color_management51/

Andrew

 

[apepp]

...this is probably a better link to follow too...

http://help.adobe.com/en_US/Illustr...t=WS79B1AB30-AF45-4a89-9F0A-F83B1D991390.html

Andrew