Color value the same but color looks different on monitor

BL
Posted By
Benny_Lee
Jun 26, 2004
Views
236
Replies
11
Status
Closed
Hi,
I have created 2 gray background then use the Sponge to lighten some area. I found that 2 background looks a bit different. One is warmer then the other. Anyone can explain?
Thank you
Related Tags
color difference look monitor value

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P
progress
Jun 26, 2004
either they are not exactly the same colour, or your are in a different colour mode or using a different colour profile.
B
Buko
Jun 26, 2004
There is a FAQ — Answers to Frequently Asked Questions — that deals with this
BL
Benny_Lee
Jun 26, 2004
I have checked the FAQ but no similar question in there. The color value and mode is the same, I created it in cmyk mode, although I have added many layers on top but I did not use adjustment layer mask on top of any layer.
GB
g_ballard
Jun 26, 2004
Benny, if you want other calibrated monitors to match your screen, you need to "calibrate" an acccurate monitor profile to proof the file accurately on your screen (and be sure your Photoshop is not broke). The problem here is one of your monitor profiles is more bad than the other (or your Photoshop settings are different).

The FAQ is here:
Mark Hiers "Colors in Photoshop all wrong but OK in other apps. (Was "Whites appear yellow.")" 9/16/03 8:54am </cgi-bin/webx?50>

I like to explain it like this:
<http://www.gballard.net/nca.html#getagoodscreen>

Andrew Rodney:
<http://digitaldog.imagingrevue.com/tips/>

Ian Lyons:
<http://www.computer-darkroom.com/home.htm>

And if u got the green for private lessons:
<http://www.imagingrevue.com/>

After you get PS7 PS8 PSCS Color Management, and Epson workflow nailed down, this link is likely your best free resource to read up on SoftProof and workflow:

Bruce Fraser articles page:
<http://www.creativepro.com/author/home/40.html>
BL
Benny_Lee
Jun 26, 2004
Hi G Ballard,
Thank you for your information. I will check it out tonight. I know no monitor will display color the same. Both images were created on my computer and I compare it side by side on the same monitor. This is why I don’t understand. All I have done is to use the Sponge tool to create some light area.
R
Ram
Jun 27, 2004
Benny,

Have you read the RGB values with the Digital Color Meter or with Photoshop’s eyedropper? That will show you the differences.

When you use the sponge tool you’re not necessarily desaturating by the same percentages.
BL
Benny_Lee
Jun 27, 2004
Yes, of course. I have used the eyedroper tool to read the cmyk value. Actuall the background were created using the same color value.
P
progress
Jun 27, 2004
can you post a screenshot/file?
R
Ram
Jun 27, 2004
Benny,

Tried the Digital Color Meter?

If the images have the same values and the same tag, then you might be dealing with an optical illusion created by whatever surrounds the areas you are comparing.
RW
Rene_Walling
Jun 28, 2004
How about different profiles for the two files?

The same colour values will look different, depending on the colour profile used.
BL
Benny_Lee
Jun 28, 2004
Thank you for all your effort to try to help me. I will upload a jpg file to my site and post it here again.
Thank you very much

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