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  1. T

    Have I misunderstood digital colors?

    Thanks for the comparison of color sapces. The "visible horseshoe" was most usefull, But - I still don't understand. Lets take the left corner of the Prophoto triangle. It's Blue, R0 G0 B255. Please explain the difference between Prophoto Blue and aRGB R0, G0, B255
  2. T

    Have I misunderstood digital colors?

    I'm trying to understand things like saturation and vibrance, and have found that I need to improve my understanding of digital colors. (Lets stick to RGB and 8 bits) I have just read, about Prophoto RGB, that it contains colors the human eye cannot see. I know there are several million...
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    How to create a Saturation mask?

    Hmm, I have just completed an eloquent, humorous, sharp witted, yet poignant reply. and I must have forgotten to hit "Post Quick Reply"! . So, you'r are stuck with the short version. thebestcpu: Quote: No need to go away as part of learning is asking questions as you go. I did not mean to...
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    How to create a Saturation mask?

    Thanks again:) You guys are good! Tom, I thought that maximum saturation would be White (255,255,255), which it is NOT. Not only do I know it now, but I'm getting close to understanding it. thebestcpu, I really need to digest this. I was afraid an understanding of color space was necessary...
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    How to create a Saturation mask?

    I may have misunderstood, but how can a single pixel have different values?
  6. T

    How to create a Saturation mask?

    Tom Mann Not far north at all, South of Oslo, so no pictures of the aurora. We do see it here, during winter, but it is NOTHING like up north. Thanks for the links.
  7. T

    How to create a Saturation mask?

    thebestcpu Thank you again:) ACR: I have been working under the "do as little damage as possible" in ACR. Just white balance, minor exposure, set black and white points and lens correction. Then open as 16 bit in PS. (8 bit for experimenting). Now that I know what the end result should look...
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    How to create a Saturation mask?

    Yes, mastering the native tools is very important, and I am guilty in that sense. If I read about something I dont need, there and then it does not stick!, Nice picture, looks like the Mediterranean. The Amalfi coast? Re. Color Mechanic Seems to be something wrong with their web site.
  9. T

    How to create a Saturation mask?

    Thanks for your detailed answer YouwhoRsam. I do it differently, because I have limited RAM. I create Bright1 one then intersect me down to the one I think will work. If it works, I keep the current and Bright1. I delete the others. I keep Bright1 because I may need Dark ones. Yes, if I need a...
  10. T

    How to create a Saturation mask?

    I understand your confusion, but I'm a 68 year old newbie and not good with colors. I'm sure there are at least 4 different ways to anything in Photoshop, and I know but a fraction of them. I like luminosity masks and I started this thread because I heard about saturation masks.I didn't know...
  11. T

    How to create a Saturation mask?

    Update:) I thought I would read the Wikipedia article about the HSL color space in an attempt to understand what saturation actually is. Wow, did I NOT understand that:) So I have given up "color selective saturation masking" and switched to "Badly over saturated Saturation Masking". I have...
  12. T

    Finding neutral grey for color correction, without a grey card.

    Mike MC,Quote: ".most images are well balanced with 2 of three points found." UnQuote Duly noted. Didn't know that. Very interesting:) Tom Mann, Quote: "The way to do this is to use a "Curves" adjustment layer. Read off the RGB values of the skin in the image that needs to be corrected (TBC)...
  13. T

    How to create a Saturation mask?

    Yes. I am aware of that and I want to take advantage of the "automatic" soft transition between the masked areas. Ex, Blue sky through foliage. I could spend a lifetime making a mask "by hand", while a luminosity mask can be made in 1-2-3. And no halos along edges. Remember, I'm a newbie. I just...
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    How to create a Saturation mask?

    Hi Tom. I agree with everything you say:) but its really not that I need a saturation mask, but more that I want to understand them better and maybe add one into an existing action. The lighthouse image is the result of a action I wrote (courtesy Dan Margulis' book "The classic guide to color...
  15. T

    Finding neutral grey for color correction, without a grey card.

    Thank you very much. Your explanation is a paragon of lucidity. I understood it the first time I read it. Question answered. Now I have to find out how to mark a thread "Answered"
  16. T

    How to create a Saturation mask?

    Interesting question. Unfortunately my answer is:"I don't know.". Probably because I'm not even sure what a saturation mask is. Wife keeps complaining that my colors are too saturated. Like this: I'll Google and Youtube a bit, and return when I am more educated. Thanks for your answers
  17. T

    Hi from Norway.

    My name is Thormod, but I'm called Tom among friends and English speakers. I am a retired engineer, now amateur hobby photographer. I took advantage of the CC for photography option. I have been using wife's CS6, when she doesn't, for a couple of years. I will need help with LightRoom, because...
  18. T

    How to create a Saturation mask?

    Definitely a color saturation mask, but it seems to be "global". I may be way out on left field, but I was thinking about a specific color saturation, like Red or Yellow only.
  19. T

    Finding neutral grey for color correction, without a grey card.

    I am familiar with using a solid color grey layer, blending with Difference and using Threshold to locate neutral grey. However, I don't understand it! In my mind, Yes, you will find neutral grey pixels in the image, but that cannot be what we are looking for. Are we not really looking for...
  20. T

    How to create a Saturation mask?

    Luminosity masks are in, but it is also possible to create a saturation mask. A guy named Greg has made a panel named lumiSomeThing where, among others, saturation and vibrancy masks can be made. I can buy the panel, which is probably what I will do anyway , but I would like to know how a...
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