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How to tan skin?

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  #1  
Old 03-05-2010, 07:06 PM
Quantum3 Quantum3 is offline
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Question How to tan skin?

Hello people, I'm asked by a client to tan his skin. Any tip to do it?

Thanks in advance,

Mart
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Old 03-05-2010, 10:50 PM
edgework edgework is offline
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Re: How to tan skin?

Try this as a starting point. Mask the skin, of course, and apply a Selective Color layer modifying Reds with +40Y, +25C and +10M (or something proportional, depending on the value of the initial skin tones.) Then add a curve layer in Luminosity mode and use a basic "S" curve adjustment on the RGB master curve, pushing it darker. If you want to get really clever, instead of the curve layer, Merge the skin to a new layer, dupe that to a separate file and convert to CMYK. Then, with a curve adjustment layer in Luminosity mode, jack up the contrast in the magenta channel. Merge down and pull it back to your original.

Should be a good place to start.
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Old 03-19-2010, 09:43 AM
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rsphotocreation rsphotocreation is offline
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Re: How to tan skin?

The thing I do to get a better tan, or to tan the skin: I create a new layer called "tan", then I apply a red 255 with an opacity set to 20% then I apply the color on the parts of the skin I wanna tan. After that I press ctrl+U to set the color in the orange and I increase the lights until I get something good.
Finally I change the blending mode to color or over settings depending of the photo. And I adjust the opacity.

Regards,
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Old 03-19-2010, 10:21 AM
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mistermonday mistermonday is offline
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Re: How to tan skin?

For tanning I prefer LAB color. Select the skin and save as selection or mask. For many images this is as simple as loading the luminosity of the R channel.
In LAB, there is a easy releationship between the A and B channels that controls the skin color. For tans a good ratio that works is to have the B channel approx 1.5 times the A channel, where the value of A is somewhere between 18 and 24 resulting in B being in the high 20's to mid 30's. The L Channel is then moved a little to control the darkness of the tan / skin. This method is not better than moving curves in RGB or CMYK but I find it easier aand more effective for me. I also find it more intuitive. The color is established with only 2 channels (A&B), both values are on the positive axis which eliminates having to worry about messing around with the Blue channel (for the most part), and the range window is fairly narrow.
Regards, Murray
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Old 03-20-2010, 12:30 PM
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marek marek is offline
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Re: How to tan skin?

Quote:
Originally Posted by mistermonday View Post
For tanning I prefer LAB color. Select the skin and save as selection or mask. For many images this is as simple as loading the luminosity of the R channel.
In LAB, there is a easy releationship between the A and B channels that controls the skin color. For tans a good ratio that works is to have the B channel approx 1.5 times the A channel, where the value of A is somewhere between 18 and 24 resulting in B being in the high 20's to mid 30's. The L Channel is then moved a little to control the darkness of the tan / skin. This method is not better than moving curves in RGB or CMYK but I find it easier aand more effective for me. I also find it more intuitive. The color is established with only 2 channels (A&B), both values are on the positive axis which eliminates having to worry about messing around with the Blue channel (for the most part), and the range window is fairly narrow.
Regards, Murray
whats R channel?
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Old 03-20-2010, 12:45 PM
Quantum3 Quantum3 is offline
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Re: How to tan skin?

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Originally Posted by marek View Post
whats R channel?
Red Channel ^^
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  #7  
Old 03-20-2010, 01:15 PM
Quantum3 Quantum3 is offline
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Thumbs up Re: How to tan skin?

Quote:
Originally Posted by mistermonday View Post
For tanning I prefer LAB color. Select the skin and save as selection or mask. For many images this is as simple as loading the luminosity of the R channel.
In LAB, there is a easy releationship between the A and B channels that controls the skin color. For tans a good ratio that works is to have the B channel approx 1.5 times the A channel, where the value of A is somewhere between 18 and 24 resulting in B being in the high 20's to mid 30's. The L Channel is then moved a little to control the darkness of the tan / skin. This method is not better than moving curves in RGB or CMYK but I find it easier aand more effective for me. I also find it more intuitive. The color is established with only 2 channels (A&B), both values are on the positive axis which eliminates having to worry about messing around with the Blue channel (for the most part), and the range window is fairly narrow.
Regards, Murray
Hey Murray, thanks a lot for this help. I'll try it!
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  #8  
Old 03-21-2010, 02:39 AM
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marek marek is offline
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Re: How to tan skin?

Quote:
Originally Posted by mistermonday View Post
For tanning I prefer LAB color. Select the skin and save as selection or mask. For many images this is as simple as loading the luminosity of the R channel.
In LAB, there is a easy releationship between the A and B channels that controls the skin color. For tans a good ratio that works is to have the B channel approx 1.5 times the A channel, where the value of A is somewhere between 18 and 24 resulting in B being in the high 20's to mid 30's. The L Channel is then moved a little to control the darkness of the tan / skin. This method is not better than moving curves in RGB or CMYK but I find it easier aand more effective for me. I also find it more intuitive. The color is established with only 2 channels (A&B), both values are on the positive axis which eliminates having to worry about messing around with the Blue channel (for the most part), and the range window is fairly narrow.
Regards, Murray
oh men i dont really get this... T_T feel so dumb... can you post step by step? thnx
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  #9  
Old 03-21-2010, 01:57 PM
Quantum3 Quantum3 is offline
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Question Re: How to tan skin?

Quote:
Originally Posted by mistermonday View Post
For tanning I prefer LAB color. Select the skin and save as selection or mask. For many images this is as simple as loading the luminosity of the R channel.
In LAB, there is a easy releationship between the A and B channels that controls the skin color. For tans a good ratio that works is to have the B channel approx 1.5 times the A channel, where the value of A is somewhere between 18 and 24 resulting in B being in the high 20's to mid 30's. The L Channel is then moved a little to control the darkness of the tan / skin. This method is not better than moving curves in RGB or CMYK but I find it easier aand more effective for me. I also find it more intuitive. The color is established with only 2 channels (A&B), both values are on the positive axis which eliminates having to worry about messing around with the Blue channel (for the most part), and the range window is fairly narrow.
Regards, Murray
Yeah, Mr Monday, could you explain it better? I tried to figure out the stuff, but couldn't. I used curves to perform the tanning in L*a*b but "ungotten" (allow me to invent a new verb ^^!) the feeling I wanted.
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Old 03-21-2010, 03:52 PM
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mistermonday mistermonday is offline
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Re: How to tan skin?

Sure, but I only have an iPhone with me so I will reply when I am back on my PC tonight NY Time. How familiar / comfortable are you with LAB?
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