Colour Cast
Hi there to all,
I thought to quickly put this discussion together to make a suggestion about colour cast that not many people know about.
Just about every digital image taken with a digital camera has a colour cast in it and it is important to remove the colour cast and do some processing in the image. In my opinion, the most efficient software to use is Photoshop CS/ CS2/ CS3. The way this is done is to load your image into Photoshop and apply a levels adjustment layer. When the dialogue box opens, you'll see 3 eye droppers - Black, neutral gray and white. First grab the black eye dropper and find a part of the image that has black or almost black in it and click on that part. Then select the white eye dropper and click on a part of the image that is white or as close to it that you will get. You can look at the foreground colour swatch in the tools palette and it should give you the actual colour you have selected. Then lastly, choose the middle eye dropper, neutral gray and try and find some neutral gray and click on it. Once again the foreground colour swatch will indicate if you have chosen a gray colour. Once you have done this, you will notice that the colour cast will be gone and your image will appear sharper and clearer.
Hope this is of some help to people out there.
I thought to quickly put this discussion together to make a suggestion about colour cast that not many people know about.
Just about every digital image taken with a digital camera has a colour cast in it and it is important to remove the colour cast and do some processing in the image. In my opinion, the most efficient software to use is Photoshop CS/ CS2/ CS3. The way this is done is to load your image into Photoshop and apply a levels adjustment layer. When the dialogue box opens, you'll see 3 eye droppers - Black, neutral gray and white. First grab the black eye dropper and find a part of the image that has black or almost black in it and click on that part. Then select the white eye dropper and click on a part of the image that is white or as close to it that you will get. You can look at the foreground colour swatch in the tools palette and it should give you the actual colour you have selected. Then lastly, choose the middle eye dropper, neutral gray and try and find some neutral gray and click on it. Once again the foreground colour swatch will indicate if you have chosen a gray colour. Once you have done this, you will notice that the colour cast will be gone and your image will appear sharper and clearer.
Hope this is of some help to people out there.
Tags: tips
Replies to This Discussion
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Permalink Reply by Miss34 on -
Wow, this makes the photo SO much better! I've always wondered how to make photos more realistic without completely altering it with editing.
Love this tip!
Thanks!
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Permalink Reply by John McTarnaghan on -
This process also works in Photoshop Elements 5
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Permalink Reply by John McTarnaghan on
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That is really a great improvement
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Permalink Reply by Stevo on -
I have been going through all my old photo's removing the colour cast using this technique recently and it is unbelievable how much the snaps improve. I can't speak highly enough of this technique.
It's a bit of an extreme example, as the original is photographed through the window of a london eye capsule (so it's really bad!!), but i've attached a "before and after" of a photo i'd taken just to show how powerful the photoshop colour correction is. - Attachments:
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DSCF0040.JPG, 560 KB -
DSCF00400.jpg, 1.1 MB
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Permalink Reply by Kelly Kiefer on -
Stevo, that is a huge difference. Looks nice.
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Permalink Reply by Johnson Zhang on -
Great & easy-to-follow tutorial!
Really appreciate it!
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