How to remove a color cast

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Posted 5/30/2010 by TrinaRN in General Photography
 

TrinaRN
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Posted: 5/30/2010 3:17:20 PM
I am home sick today from work and feeling a bit better so thought I would put together a quick tutorial on removing a color cast. I learned this from somewhere (probably ILP), so cannot take any credit for it whatsoever, but for those of you who don't know this trick I think it is great and wanted to make sure more people knew about it.

I took this shot the other day, my true blue seamless is behind him, so of course its bright color cast onto the top of his head:
This is the SOOC shot:



Here it is cropped in closer for you to see the cast:



Here is what I did to remove the cast:

1: create a new blank layer
2: changed the layer mode to COLOR (from normal)
3: changed the mode to LIGHTEN (from normal)
4: selected a soft brush with opacity at about 20%
5: sampled a part of his hair that didn't have the cast
6: brushed over his color cast hair with the brush over and over until the cast was gone. I did have to go back and erase some of the floor above him.

That's it! Took me 30 seconds max.

This trick works well also for removing casts on skin etc.

Here is a screen shot:



Here it is done:



and cropped in, so you can see:



Hope that helps someone!


~~Trina~~



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Posted: 5/30/2010 3:25:06 PM
I've been working with pictures with acne. I get the spots through a blur layer technique, but I'm still left with skin that looks like it has a rash.

I'm going to see if this helps with that. Thanks for the idea.




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Posted: 5/30/2010 3:28:51 PM
oh that is fabulous Trina. I have been using the hue/sat method but not totally happy with the results. I will be trying this!

Thank you


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Posted: 5/30/2010 4:08:50 PM
Thanks for sharing that technique, Trina. I usually use a selective color layer (or two or three! ). I try this out next time.

Hope you feel better soon!


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Posted: 5/30/2010 4:11:50 PM
Was just thinking the other day how I wish there was a short, easy to follow tutuorial written on this very subject!

Thank you, Trina!

Jamie S.

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Posted: 5/30/2010 4:12:26 PM
It does help. Thanks!

ETA - It helps to enlarge the photo - a lot - and use a very small brush if you find you are lightening the surrounding area a little too much.




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Posted: 5/30/2010 4:22:55 PM
Thanks for sharing! I will be trying this!


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TrinaRN
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Posted: 5/30/2010 7:11:58 PM

Thanks for sharing that technique, Trina. I usually use a selective color layer (or two or three! ). I try this out next time.

Hope you feel better soon!


I tried a hue/sat layer on this shot first and it didn't work because it was desaturating his hair too much. When I did this method it worked right away.

Thanks! I am starting to feel a little bit better. Nasty cold!

I'm glad it is helping a few people! I use it a lot on newborns too for reddness.


~~Trina~~



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Posted: 5/30/2010 7:31:54 PM
Thanks for the tut! Hope you feel better soon.


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Posted: 5/30/2010 8:52:01 PM
Thanks so much for posting this...it will be really helpful.

I hope you feel better soon.



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Posted: 5/30/2010 8:57:05 PM
Thanks, Trina! Bookmarking this!


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Posted: 5/30/2010 9:13:47 PM
i also usually use the selective color method and wow this was nice and easy! i will have to try this method next time i need it! thanks so much for sharing trina!


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Posted: 5/30/2010 11:06:55 PM
This seems like it is much easier than trying to get that right color using the selective color. I haven't tried sampling colors before, so I maybe asking more questions

Thanks Trina!

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Posted: 5/30/2010 11:12:02 PM
thanks for sharing!


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Posted: 5/31/2010 12:26:20 AM
Thank you Trina! At first I didn't know what you meant by sampling a part of his hair.... then I'm pretty sure I got it. I should use the eye dropper to select the color of his hair as the color of the brush, right?
Thanks again!
Stacey



TrinaRN
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Posted: 5/31/2010 12:37:04 AM
Glad it helped!

Stacey, you hold the alt key with the brush tool and it gives you the eyedropper tool to click on an area close by that doesn't have a cast.
Hope that makes sense!

Thanks for the well wishes too


~~Trina~~



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Posted: 5/31/2010 7:35:29 AM
Good to know! I'm bookmarking this one. Thanks for sharing it.


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Posted: 5/31/2010 9:12:15 AM
That is so nice of you to share that info with everyone. Thank you so much, hope you are feeling better by now


Cathy


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Posted: 5/31/2010 5:38:53 PM
Thank you thank you so much for sharing that! It works awesome and I have a tough time getting color casts out. I just tried this and it rocks! TY!


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Posted: 5/31/2010 5:46:56 PM
Added this to my bookmarks. Thanks for sharing!

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Posted: 5/31/2010 6:50:09 PM
Wow. This is so helpful. Thanks for sharing!

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Posted: 5/31/2010 9:29:17 PM
Thank you for sharing, Trina!! I have an impossible time with color casts. I appreciate your efforts.

Feel better soon!


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Posted: 6/1/2010 1:09:43 AM
ok i didnt read the color cast info but i saved it for when i need it so thanks for that.. but my main question is how did you get that skintone ?? my sons hair is that colour and i get a lot of magenta and it drives me insane, i love that peachy skintone you have going on.

TrinaRN
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Posted: 6/1/2010 1:21:23 AM
Happy to hear it is helping!


ok i didnt read the color cast info but i saved it for when i need it so thanks for that.. but my main question is how did you get that skintone ?? my sons hair is that colour and i get a lot of magenta and it drives me insane, i love that peachy skintone you have going on.


This is shot with a softbox and flash, it is much easier to get spot on skin tones with artificial light vs natural light because with natural light you really get casts onto skin from everything around them. I also used a WB tool (xrite color checker) and adjusted my WB in LR.


~~Trina~~



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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Nikon D700 | Nikon D300 | 24-70/2.8 | 70-200/2.8 | 85/1.8 | Sigma 105/2.8 macro | SB900 | Apollo Westcott 50x50 softbox | AB400
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Posted: 6/1/2010 1:22:34 AM
Never tried it that way!! Thanks super cool! Can't wait to try it.


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Posted: 6/19/2011 11:42:52 PM
This thread was linked in another today and I had to bump it. This has got to be the simplest way to eliminate color cast that I've ever seen. Thanks!!!


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Posted: 6/20/2011 6:02:48 AM
Thanks for bumping this, Stephanie.

It's funny, I originally read the thread title as a question from someone looking for help. Then I saw that it was posted by Trina and thought, 'huh?' Trina is amazing at editing, her photos always look awesome, I can't believe she's having trouble with a colour cast.

It makes much more sense to see that it's a tutorial!

Whew! I was thinking that if Trina is still being stumped by colour casts I didn't have a hope in heck of ever getting the hang of this editing thing.

I missed the original posting of this Trina, so thanks for sharing this info.


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Posted: 6/20/2011 4:09:45 PM
thanks you sooo much. I have been having the worst time on skin and color cast...I used this method and it worked for me....thanks


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TrinaRN
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Posted: 6/20/2011 4:18:52 PM
Glad it has helped! I still use it regularly! It works great for reducing red blotchiness on newborns skin too.


~~Trina~~



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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Nikon D700 | Nikon D300 | 24-70/2.8 | 70-200/2.8 | 85/1.8 | Sigma 105/2.8 macro | SB900 | Apollo Westcott 50x50 softbox | AB400
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Posted: 6/20/2011 4:31:44 PM
Thanks for the tutorial! I am book marking this and can't wait to give it a try!


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Posted: 5/9/2012 11:00:27 PM
BUMP because I used this today!


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Posted: 5/10/2012 2:24:00 AM
Using Curves
The first dropper sets the black point, the second dropper sets the gray point, and the third dropper sets the white point. Click on the first dropper (black point) and locate the marker with the number one on your image (the shadows). Click inside the icon and you may see a slight change in the color of the image. Click on the third dropper (white point) and locate the second marker with the number two (the highlights). Click inside the icon and you should see a slight change in the color of the image.




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Posted: 2/22/2013 8:52:09 AM
Thank you! Used this tonight on a photo of my newborn son and it worked great!



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Posted: 2/26/2013 10:43:21 AM
I thought the same thing.. Trina is haaing trouble with color cast,... What?? LOL Cute little boy


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