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| | Image Help Got a problem image? Don't know where to begin? Upload images and ask our users what they think or if they can help | 
07-25-2007, 03:41 AM
| | Junior Member | | Join Date: Jul 2007 Location: Bangkok, Thailand
Posts: 15
| | | I need help to check on colour cast Hello experts, I would like to request for your kind help looking at this picture attached to see if it has a colour cast of some kind. Many of my friends told me my pictures all have a yellow colour cast on them. Maybe it could be from my Sigma lenses that often give a warm tone to my images. Not too sure. My notebook LCD is not calibrated. I tried to calibrate using Adobe Gamma provided with CS2 but the results sucks. I have done retouched on this image. The only thing I am having trouble is whether my image has that yellow cast on it. I have already added a 15% Blue Filter on it. Please help. Thanks. | 
07-25-2007, 06:21 AM
| | Junior Member | | Join Date: Jul 2006 Location: Australia
Posts: 28
| | | Re: I need help to check on colour cast Hi Zeckson.
On my monitor it looks fine, no color-cast at all. | 
07-25-2007, 06:28 AM
| | Senior Member | | Join Date: Feb 2006
Posts: 161
| | | Re: I need help to check on colour cast I don't show a yellow cast at all.
In fact, it's showing a tiny, tiny blue cast. | 
07-25-2007, 08:32 AM
|  | Senior Member Patron | | Join Date: Feb 2005 Location: The Swamps of Florida
Posts: 3,609
| | | Re: I need help to check on colour cast I agree with Bill. Just a tiny blue cast. Dupe the background then do a Filter->Blur Average and set that to Over lay mode and see what you get. | 
07-25-2007, 12:28 PM
|  | Senior Member | | Join Date: May 2006 Location: South Yorkshire, England
Posts: 387
| | | Re: I need help to check on colour cast Quote:
Originally Posted by Swampy I agree with Bill. Just a tiny blue cast. Dupe the background then do a Filter->Blur Average and set that to Over lay mode and see what you get. | Just curious Swampy, what does that do?
By the way I also get the slight blue tint, but it's gone when I do the "Swampy thing"
John | 
07-25-2007, 01:12 PM
|  | Senior Member | | Join Date: Apr 2006
Posts: 547
| | | Re: I need help to check on colour cast Hi there
I think you need to add a little yellow. Right now you have too much magenta compared to yellow and too much cyan as well... that is why there is a slight blue gray look to the skin.
Perhaps if they are viewing on your monitor your calibration may be the problem
Butch | 
07-25-2007, 03:08 PM
|  | Senior Member Patron | | Join Date: Mar 2003 Location: Seabrook Island, SC
Posts: 837
| | | Using the info palette I placed a color sampler on her white bow and used the info palette which showed a blue cast. Using a curves adjustment layer I placed the white eyedropper on the bow to correct the color to a neutral white.
I tried swampy's method too and it worked just fine. I'd like to know a little about that too. | 
07-25-2007, 04:38 PM
| | Junior Member | | Join Date: Jul 2007
Posts: 6
| | | Re: I need help to check on colour cast I see a very blue cast...or cyan. I'm not good at picking out which one. But it's definitely too cool. Philbach's result looks good. | 
07-25-2007, 04:44 PM
|  | Senior Member Patron | | Join Date: Feb 2005 Location: The Swamps of Florida
Posts: 3,609
| | | Re: I need help to check on colour cast Britsdad...
>>> It's from my "Average-Blur" Tutorial. It removes an overall color cast for some, but not all photos. | 
07-25-2007, 09:19 PM
|  | Senior Member Patron | | Join Date: Feb 2007 Location: GrandPrairie.TX
Posts: 408
| | | Re: I need help to check on colour cast There is certainly no yellow cast, in fact very little yellow in the picture at all. I think the skin tones look really good. I don't think you have a blue cast either, and though you could add a touch of green in the highlights (Opposite of Magenta), I think that is just personal taste. You can use the info palette to determine the actual color that is on the screen. A good check is to find a very white spot and look for 255,255,255 to see if you have a color cast. The ribbon is very close to that.
Nice Photo.
Dave. | 
07-26-2007, 12:55 AM
|  | Senior Member | | Join Date: May 2006 Location: South Yorkshire, England
Posts: 387
| | | Re: I need help to check on colour cast Quote:
Originally Posted by Swampy Britsdad...
>>> It's from my "Average-Blur" Tutorial. It removes an overall color cast for some, but not all photos. | Ahhhhh....I'll take a look at that when I get home this afternoon, is it on your site?
John | 
07-26-2007, 07:07 AM
|  | Senior Member Patron | | Join Date: Feb 2005 Location: The Swamps of Florida
Posts: 3,609
| | | Re: I need help to check on colour cast >>> is it on your site?
Yepper, :-) | 
07-26-2007, 08:11 AM
| | Junior Member | | Join Date: Jul 2007 Location: Bangkok, Thailand
Posts: 15
| | | Re: I need help to check on colour cast Hello all, Thank you so much for trying to help out! I was glad so many responded! And also learn some techniques in checking for colour casts as well! Really appreciate it from you all! This image is just one of the many images that I took over the last weekend. Doing the post processing on photoshop now. I will post a series of this model's photos on this forum. Watch for it...  | 
07-26-2007, 09:06 AM
| | Senior Member | | Join Date: Mar 2006
Posts: 267
| | | Re: I need help to check on colour cast The skin lacks yellow. A casual dragging of the eyedropper around the skin areas on the face will reveal that yellow is on average 5% less than magenta whereas it should be the other way round. And, on Asian skin, yellow is usually 10 - 20% higher than magenta. The picture also could do with some contrast to give it a bit more pop.
Syd |
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