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Author Topic: Colour issue driving me crazy. Please help!  (Read 48977 times)

tho_mas

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Colour issue driving me crazy. Please help!
« Reply #80 on: May 21, 2009, 08:35:09 pm »

Quote from: foto-z
I'm using a standard colorsync profile created via the OS. Does this help?
the profile created with the internal software shouldn't make problems. nevertheless, if you like, you could post the icc-file and I'll see if I may find something.
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Graham Mitchell

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« Reply #81 on: May 21, 2009, 08:43:28 pm »

You can download the icc file here: http://www.mediafire.com/?tmcoenmvjlj
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Jack Flesher

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« Reply #82 on: May 21, 2009, 08:53:35 pm »

Quote from: foto-z
I'm using a standard colorsync profile created via the OS. Does this help?

You mean the stock Mac OSX profile?  If so, that is a generic profile and very likely your issue.  You need to properly calibrate your monitor using a tool like the Gretag or Spyder and associated software or you'll never get accurate color.

 
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tho_mas

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« Reply #83 on: May 21, 2009, 08:55:54 pm »

nothing noticeable - try: http://tinyurl.com/q9lrbq

and another version: http://tinyurl.com/pqalpd
« Last Edit: May 21, 2009, 09:04:37 pm by tho_mas »
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Graham Mitchell

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« Reply #84 on: May 21, 2009, 09:00:10 pm »

Quote from: Jack Flesher
You mean the stock Mac OSX profile?  If so, that is a generic profile and very likely your issue.  You need to properly calibrate your monitor using a tool like the Gretag or Spyder and associated software or you'll never get accurate color.

No, a custom profile.

Whatever profile I use it shouldn't cause two applications on the same monitor to render an image so differently. They should be either both right or both wrong but either way they should match.
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Graham Mitchell

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« Reply #85 on: May 21, 2009, 09:08:33 pm »

Quote from: tho_mas
nothing noticeable - try: http://tinyurl.com/q9lrbq

and another version: http://tinyurl.com/pqalpd

I tried them both (restarting PS after each profile change). Still nothing new.
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tho_mas

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« Reply #86 on: May 21, 2009, 09:12:42 pm »

Quote from: foto-z
I tried them both (restarting PS after each profile change). Still nothing new.
just renamed them and syncronized file name and internal name (which were different). But Mac has no trouble with different file and internal names... so unsurprisingly it changes nothing.
I've set the profile as monitor profile here and it works as it should (weird colours here... but matching weird colours).
« Last Edit: May 21, 2009, 09:13:27 pm by tho_mas »
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Jack Flesher

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« Reply #87 on: May 21, 2009, 09:38:00 pm »

Quote from: foto-z
No, a custom profile.

Sorry, I am confused.  What tool and software are you using to create this custom "profile" ?
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Graham Mitchell

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« Reply #88 on: May 21, 2009, 09:40:59 pm »

Quote from: Jack Flesher
Sorry, I am confused.  What tool and software are you using to create this custom "profile" ?

'Display Calibrator' in OSX 10.5.7
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Jack Flesher

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« Reply #89 on: May 21, 2009, 09:47:39 pm »

Quote from: foto-z
'Display Calibrator' in OSX 10.5.7

Okie dokie...  But for the record, that does not create a monitor profile, it is a calibration -- and they are different.  And possibly getting at the root of your issue.  If you do not have a calibrated monitor to start with, attempting to correct color issues is basically a waste of time IMO.

Best,




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Graham Mitchell

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« Reply #90 on: May 21, 2009, 09:55:56 pm »

Quote from: Jack Flesher
Okie dokie...  But for the record, that does not create a monitor profile, it is a calibration -- and they are different.  And possibly getting at the root of your issue.  If you do not have a calibrated monitor to start with, attempting to correct color issues is basically a waste of time IMO.

Best,

Jack, this program creates an ICC profile. Regardless of the profile used, an image should not appear differently on the same monitor.
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Jack Flesher

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« Reply #91 on: May 21, 2009, 11:51:25 pm »

Quote from: foto-z
Jack, this program creates an ICC profile. Regardless of the profile used, an image should not appear differently on the same monitor.

Okay, please disregard what I wrote then --  I've never used Display Calibrator and if it generates an accurate profile that's obviously not the problem.

Best,
« Last Edit: May 22, 2009, 12:13:12 am by Jack Flesher »
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32BT

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« Reply #92 on: May 22, 2009, 02:32:54 am »


When you have the original problem-image open in Photoshop, could you check in the lower left corner of its window what colorprofile is indicated?

Could you then select "ASIGN profile" and asign (not convert to) the sRGB profile, and check whether appearance differences are similar to the appearance differences in the "Save for Web" dialog?
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Regards,
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Graham Mitchell

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« Reply #93 on: May 22, 2009, 05:15:56 am »

Quote from: opgr
When you have the original problem-image open in Photoshop, could you check in the lower left corner of its window what colorprofile is indicated?

Could you then select "ASIGN profile" and asign (not convert to) the sRGB profile, and check whether appearance differences are similar to the appearance differences in the "Save for Web" dialog?

It's an AdobeRGB document.
If I assign a profile of sRGB it looks a lot less saturated (as expected).
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32BT

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« Reply #94 on: May 22, 2009, 06:36:54 am »

Quote from: foto-z
It's an AdobeRGB document.
If I assign a profile of sRGB it looks a lot less saturated (as expected).

Okay, could you CONVERT to your display profile, and then ASSIGN the sRGB profile, and see if that equals the appearance difference you also see in SaveForWeb?


BTW. Given the quality of your photography, I strongly recommend you purchase a hardware calibrator for your screen. A small investment which will do your images the justice they deserve. "eye-balling" your monitor calibration is a no-no.
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geotzo

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« Reply #95 on: May 22, 2009, 06:43:52 am »

About firefox again:
Found this link: http://news.datacolor.eu/en/archives/2009/...our-colors.html
"the latest version of Firefox (3.x) actually does support ICC profiles, although not by default - you actually need to switch that option on first. How? You just open a new window and type “about:config” in the address bar. After hitting enter, the app will give you a warning, that changing advanced settings is only a good idea if you know what you are doing. Once you’ve confirmed, you’ll get a list of entries. Filter out the ones with the word “color” in them. At the bottom, you’ll find one called “gfx.color_management.enabled”. Simply double-click that line, and the setting in the “Value” column will change from “false” to “true”. Now quit and re-open the app. That’s it! Your Firefox now supports ICC profiles. "
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tho_mas

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« Reply #96 on: May 22, 2009, 07:35:25 am »

Quote from: geotzo
type “about:config” (...)
it's easier with this add on: https://addons.mozilla.org/de/firefox/addon/6891

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Graham Mitchell

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Colour issue driving me crazy. Please help!
« Reply #97 on: May 22, 2009, 12:48:30 pm »

Yep, my Firefox is switched on.

Wish I could fix this. I spent an hour today after shooting this, just trying to export a jpeg from Photoshop that I liked. Massive waste of time

In the end, I had to shift hue, desaturate (by -20) and apply curves, and then it was almost identical to the PS doc.

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Professional

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« Reply #98 on: May 22, 2009, 07:05:23 pm »

It is really annoying when you work with Photoshop and then when you save for web you find that the colors are not matching 100% or the contrast or saturation, i had that problem before but then i solved it, not sure if i solved that with my calibration device, but at the end it works.
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« Reply #99 on: May 22, 2009, 07:06:10 pm »

And fantastic shot, Graham!
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