Photoshop :: Histograms: Tone Or Saturation?
Oct 11, 2008
In the histogram palette menu there are red, green and blue histograms to give the saturation of those colors, and a luminosity histogram to give the overall ( greyscale) brightness. There is also an RGB option, presumably to give a composite version of the red, green and blue saturation. In Levels, however we have the same thing, except there is no luminosity option, only RGB. But RGB in this case cannot be a composite of the three color channels, as we use it to adjust brightness and contrast; in other words it is presumably the same as Luminosity in the histogram palette. Despite this, when I do adjustments to an image the RGB histogram in Levels looks identical to the RGB histogram in the histogram palette. I'm using PS 3 Extended.
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Oct 11, 2008
In the histogram palette menu there are red, green and blue histograms to give the saturation of those colors, and a luminosity histogram to give the overall ( greyscale) brightness. There is also an RGB option, presumably to give a composite version of the red, green and blue saturation.
In Levels, however we have the same thing, except there is no luminosity option, only RGB. But RGB in this case cannot be a composite of the three color channels, as we use it to adjust brightness and contrast; in other words it is presumably the same as Luminosity in the histogram palette. Despite this, when I do adjustments to an image the RGB histogram in Levels looks identical to the RGB histogram in the histogram palette. I'm using PS 3 Extended.
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Jul 31, 2012
For quite a while I have been using the Photoshop HDR for initial processing of my HDR shots. My workflow is to "open in HDR Pro in Photoshop" from Lightroom. With LR 3.x and CS5 there was no problem - make the initial tonemapping settings in CS5, hit "OK", and save the resultant TIF back to lightroom for further processing.
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With LR 4.1 I do the same thing, the files import into CS6 and the tonemapping window comes up, but after I hit OK in the tonemapping window, the resultant tonemapped TIF file is oversaturated(This still in CS6). It needs about 30 points of saturation reduction in LR to get it back to what it showed in the tonemapping window.
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I have colour gamut set for Pro Photo RGB in both LR and PS. I can show some screen captures later.
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Mar 30, 2004
Why is the histogram displayed in the Levels dialog box different (sometimes radically different) than the one in Image>Histogram?
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Aug 6, 2013
I am on OSX using Photoshop CS6.
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For a couple months now I have experienced the "Building Histograms" dialog appearing on nearly every move or action; moving an object, adjusting a shape, zooming in & out, simply selecting an object.
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The building of the histograms almost always takes up to 10+ seconds to complete.
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I have followed other topics where there was no solid professional answer to the problem. The closest thing everyone was able to pin it on was the use of an extension or add-on. I have none of these.
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In my opinion an update / fix should be applied for this. I won't be interested in further debugging or providing information. Simply stating that I am experiencing this for history sake.
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Sep 22, 2010
I am working in Photoshop CS5 on a MacPro with Snow Leopard, 10.6.4. I have a file that is a little over a gigabyte open. Every time I make any changes to the file (i.e. select a different layers, grab the text tool, etc.) a menu pops up with a progress bar and says it is building the histgrams.
This process happens with EVERY move. As you can imagine, this has slowed my productivity down to a crawl. Can I do anything to make it stop rebuilding the histograms at every step?
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Apr 21, 2013
Photoshop creates several preview images (more smaller than the original) for displaying the effects and creating histograms. So, I think that if I choose the cache level as 1 in the preference window, Photoshop does not create any smaller preview and it always displays information according to the original file.
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But, this is not the case, as far as I can see. I set my cache level to 1 and it still displays histogram for cache level 3. So, my question is ... what is the secret behind the cache level?
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Nov 29, 2013
The histograms on the library panel and on the develop panel are not same for most of the images, there is a tiny difference between them. What is the reason for this difference?
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Aug 21, 2006
I have designed a brochure for a friend but the Printers say there is an issue with the saturation on the black.
The saturation I have done is apparently 400% but should be under 300%.
I assume the brochures are being digitally printed as opposed to traditional methods.
My questions are:
How do I find out what the saturation of the black is ?
....and how do I change the black saturation without changing the saturartion on the rest of the colours ?
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Mar 22, 2004
I go to use the Hue/Saturation Editor thing, Photoshop messes up on me. It goes to the eyedropper tool, the "X" in the top right corner goes faded, so that I can't click on it, but I can select colors on the picture (with the eyedropper) and on the little 2 color pallete thing in the bottom left corner, where it displays the foreground and background color. I can switch them, with the arrow, but nothing else, i can't switch layers, I can't select any other tools, or anything. Can someone help me with this? Also, this might help, I was following a tutorial that required me to change some sort of properties... a link to the tutorial is below; If you download the .PSD file, a warning box pops up on photoshop when you try and open it...
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Feb 7, 2009
When I modify a jpeg and save it as Save for web and devices, the next time I open the same document, it gives an extra (15-17) saturation to it.I can't figure out why. I watched Lynda's Photoshop videos and probably we saved something there,
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Sep 22, 2013
When I colorize an image in Hue / Saturation in CS6 I see it correctly as a preview, but when I click OK it reverts.
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May 28, 2007
I made myself a graphic, currently it is black and white, and I would like to add colour to it. Now when I want to go to (Image > Adjustments > Hue/Saturation) it is inactive, meaning I can't click on it. Well I can click but nothing comes up of course.
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Dec 4, 2008
I usually use FW for my styles-based graphics (menubars, text effects), but have recently begun to experiment with PS.
However, I've noticed that when applying a style to text (Baltic Sea Ice, for example), even after I rasterize the text layer, I am still unable to alter the color by changing the hue / saturation in order to match a precise color scheme. Is there another way to do this?
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Oct 22, 2008
Import scanned JPG, trace over lines, make colour mask, then just fill in appropriate colours.
Now my next step would be to use hue/saturation to make all the shadows and shading etc, but the hue saturation option is grayed out on the menu
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Oct 28, 2006
I have an image that I want to lighten one color. I choose "color range" and select the color and it has dotted lines around it. Then, I want to play with that color or area of the image and try different saturations or colors. BUT, when I try that, the main layer with the image is not selected. So no changes are registered..... just the layer for hue/saturation is highlighted so I can't do anything to change this color. Seems that, automatically, the NON IMAGE layer becomes the only one I can work with when I select hue/saturation...
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Apr 9, 2007
When I save for web, I get a weird de-saturation in my image and I have never come across this before. This weekend I tried to save an image to be optimized, and it came out all digitized and looking like crap. So I wanted to go back and save it at the higher setting.
Now, there is no pixilation, but my colors are muted.
The bottom image is what it SHOULD look like, and the top image is what saves when I save for web.
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Aug 25, 2008
I created this effect in photoshop cs2 awhile ago and cannot remember how I did it. Does somebody know how to create this effect?
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Oct 31, 2005
I am after a way to highlight the most SATURATED areas of an image.
I know that 'Threshold' will highlight the darkest areas, but they may not necessary be the most saturated.
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Aug 23, 2004
way to get a gradient effect similar to the hue/saturation effect, so if i wanted to use an eye to do this, i can have 2 different colours fading into eachother to make say a blueish green eye.
i would just kind of like a gradient colour overlay of it
i would like to apply it to this image
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Jun 26, 2009
I have been running CS4 for about five months. There have been problems - speed, stability - but here is a new one. Out of the blue, selecting the Hue-Saturation panel eithe rthrough the menu or by keystroke brings up the eyedropper - functioning - but essentially crashes Photoshop. It goes on running - you get 'blind' menues - but it is impossible to switch the eydropper off and you consequently have to close CS4 from Windows. I have rebooted, it still happens.
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Jan 16, 2005
When I adjust the hue and saturation on a image (big adjustments like + 60 on sat, + 10 on hue) and click OK the colors revert back to about 15%, or less, of what I raised them to.
1. This only happens on a particular image that I scanned in.
2. This did not happen on the first few prints of this image (didn’t save settings, etc., so I had to redo the next time - a few days later). And it doesn't happen on any of my other images (non-scans).
I've tried reloading it from the CD that I burned and starting over, but it does the same thing.
(Using Photoshop 7 and trying to print with an Epson 2200.)
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Sep 19, 2013
Id like to know if its possible to make own hue/saturaiton colour. What I mean by this is we get an option for red,yellow,greens etc etc.
But lets say we have an image over clusted with brown, and we would like to have that option to reduce the browness in an image. so Is there a way
we can make our custom colour? Like the example below this guys face has a brownish colour to it, and with the colour picker I get a #b56b3e which seems related to the brown colour family.so Id like to make that #b56b3e into a colour of my Hue / Saturation. so I have the option in the drop down menu.
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Mar 10, 2012
discovered the pleasures of Edit>Convert to Profile command. When I convert to a new profile (I have belatedly discovered paper profiles) from adobe RGB to Hahnelmule Photorag to be precise there is a loss of saturation I am having trouble recovering. I will avoid this problem by starting with the correct profile however I have a lot of work in the wrong profile. To keep things simple I have flattened the image.
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Mar 9, 2012
I am trying to create one of those images where you desaturate all the color out of an image and leave only a few select "highlight" components in color for effect... so I go to the layer, click on the "Create new fill or adjustment layer" button at the bottom of the layers panel (next to create mask), and use the Hue/Saturation option, then desaturate the setting, then paint bucket the layer to black, and then use a white brush to wipe out the colors in the areas that I want. It seems like it does it fine, but the thing is, it doesnt desaturate 100%. This has happened in another "desaturate" process (cant remember what it was exactly). It seems to take out the color but there is still definitely some brownish or whatever hue in there.. it shows as such when I use an eyedropper to check the "new color," and when I turn the image into grayscale, it defintely is different.
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So why can tthe white brush desaturate the colors 100%Â There must be some other setting I am missing?
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Feb 28, 2012
Using a Hue/Saturation Adjustment layer:
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1. Do you ideally want to go through and adjust Reds, Yellows, greens, Cyans, Magentas individually? Are final results not as good if you just adjust the Master by itself?
2. Looking at my imgage, I do not see any blues, however, when I adjust the hue slide while having blue selected, I see some slight changes to my image. I'm guessing that this means that there are some slight blues in the image.
Would you just leave the blues alone in a situation like this, or is there some graph that you use to make changes even if you do not see the colors in the actual image?
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Sep 12, 2006
I'm in class and the teacher just showed us Selective Color. I usually use Hue Saturation to enhance colors or color correction. Is there a diffence between the two tools?
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Nov 1, 2002
Does photoshop have the option to not see the lasso?
I have selected a section in my photo that i would like to adjust the color of, But I want to be able to adjust the Hue Saturation without the lasso in the picture. Is their an option to mak it not visable while I am adjusting.
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Oct 17, 2002
I have a full colour photo that i want to use on my website...but i dont want all the colurs in there... i only really want blueish colours....
How do i edit the existing colours OR apply a kinda blue wash to the image while still maintaining all the lighting/shading aspecst of the original image?
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Dec 8, 2005
to saturate an image to make it all tones of one colour?
In particular "saturation_olive" is very smoothe with the shadows and tones still quite prominent.
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Apr 26, 2006
I see images like this from time to time and I like the color and contrast, yet I’ve not been able to reproduce this effect.
I don’t think the image has been manipulated, however I’d like to be able to reproduce this effect, how I might go about reproducing this effect?
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