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Thread started 13 Aug 2013 (Tuesday) 00:47
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Areas of yellow skin

 
MedicinSC
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Aug 13, 2013 00:47 |  #1

So, it's late. I tried searching, because I know this has come up before, but I'm not finding what I need. Perhaps I'll search more efficiently after some sleep.

But, anyway... I'm trying to figure out how to get rid of these yellow areas on her face and neck, her right axillary area and her left axillary area.

What I've tried: Temp and Tint brushes in LR, with different combinations towards blue and green or red. I've tried using a brush in PS to paint in some blue and lowering opacity. I've tried desaturating yellows and then masking the rest of the image. None of it is looking right. I've gotten rid of greens before, by using a brush and painting magenta, and lowering opacity to taste. But, this time... I'm losing the battle. Any suggestions? I think I've seen that this can be done with curves or levels, but I'm still learning and haven't gotten that far yet. Saturation and Vibrance are at 0, by the way.

In case it's needed, this is 1/1250, f/5.6, with a snooted and gridded speedlight to camera right, for fill.

Thanks for any help y'all can give!

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Rimmer
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Aug 13, 2013 07:32 |  #2

I think you're on the right track by painting in a complementary color. My approach would be to use the LR color brush to paint over the area, then open the Color Selection box and, with the selector set for maximum saturation, adjust the hue until I get a neutral gray. Then reduce the saturation until the color looks right. I tried that on her neck and it still didn't look right, so I played with Shadow, Exposure, and Saturation controls until I got something that looked better. Trial and error is the only way I know to do it, but can be made to work.

In this version I've only worked on her neck. Hue=238, Saturation=98, Exposure=+0.41, Shadows=+82, Saturation=-29.

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MedicinSC
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Aug 13, 2013 08:05 |  #3

Thanks, Rimmer. I'll take another look at it, since I've had some sleep now.

The best thing would be to prevent this in the first place... Any idea what causes this?




  
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Rimmer
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Aug 13, 2013 08:21 |  #4

My guess is that yellow-green light reflecting from the grass is "filling" the shadow on her neck that is created where the blue skylight is shaded. Quite by coincidence I am just now reading an old book that I found at a library used book sale entitled "The Enjoyment and Use of Color" by Walter Sargent (Dover Publications, copyright 1923, 1951, 1963; preview available for free on Google Books). I've learned all sorts of useful things from it, including the complementary color trick. Just a few pages back from my present reading location he discussed this colored shadow phenomenon. I'm getting a pretty good education for the price of $1. :)

http://books.google.co​m …0use%20of%20col​or&f=false (external link)


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armis
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Aug 13, 2013 08:50 |  #5

I'm a bit surprised the temp brush didn't work, since you're just seeing the reflection of the light on the very yellow grass. My first instinct was to suggest trying this but then I saw you had already.

In last resort, when my colors are really being a problem, I open the file in PS, duplicate the layer, use the eyedrop to sample the color I want (so in this case, maybe the shaded area of her other cheek), set the duplicate layer blending mode to Color, then paint over the problematic area. From there I'll do minor tweaks (sometimes a hue/saturation layer is necessary to pull saturation down) until it looks right.


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MedicinSC
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Aug 13, 2013 08:54 as a reply to  @ armis's post |  #6

Thanks again, Rimmer. And thank you armis.

The tint brush has worked. Now that I'm awake, I'm looking at it more as a green than yellow. I've used a brush with +52 magenta and +10 yellow, saturation -33. This has worked well for the face and neck, but is still a bit reddish on the torso. I'll need to use several brushes to get it to look right. I'm going to try armis's suggestion in PS as well. Really need to learn more about blending modes, too. So much to learn, and not enough hours in the day to get it all. :)

Things are so much easier when it's not 01:45. :lol:

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Aug 13, 2013 09:02 |  #7

Looking much better already! :)


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