Photoshop :: Color Messed Up With Bits / Channel
Nov 18, 2013
I accidentally had my files marked at 16 bits/channel, went ahead and saved them as jpegs. Got a software prompt prior to saving that said "File must be saved as a copy with this selection." I did not know what it meant. I went ahead with the save. Now I am realizing my mistake because I have tried printing my images at a lab and the colors are WAY off. Very gray and horrible. I have my master files saved as psd files as well and have opened those, changed the bits/channel to 8, tried to print and the colors are still awful. I have many files that were saved this way. There has to be some kind of a fix without me having to re-edit dozens and dozens of photos.
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Sep 18, 2012
What is the more usual image mode? I think my files have been 8 bits per channel for many years. I was having a lot of trouble with Photoshop slowing down dramatically on several large files I created, and I noticed I had made them in 16 bit mode. Would this require more RAM?
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Jun 22, 2012
I have never had this happen before: I cannot change the image I am editing from 16 to 8 bits per channel. Also odd is when I click on an adjustment layer I have created it is not highlighted in blue.
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Aug 20, 2012
When I have an image in 8 bits per channel, its grayscale alpha channel is in 8 bits (256 levels). But when I have an image in 16 bits per channel, is its grayscale alpha channel in 16 bits (32.768 levels)? They are a lot to make a selection...
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Apr 12, 2004
if there are any digital cameras which do image capture with greater than 8 bits per channel? I don't doubt such a camera would be well out of my price range, but I've got into scanning and working with with 16-bit colour and I've got the itch...
does anyone here regularly work in a 16-bit colour space?
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May 28, 2012
I've somehow managed to completely mess up my color profiles in Photoshop CS5. What a total Gormlops I am.
1 - ACR displays colours from RAW files as lifeless and dull compared to JPEG. I've searched countless forums and I'm lead to understand that RAW files don't include the 'in-camera' processing that we see on the JPEGS. What I don't understand is that ACR used to display the colors on my RAW files exactly like it did with JPEG files so although I understand the difference in the way ACR handles RAW vs JPEG why has this only become noticeable in the last few months? I've had this installation of CS5 for almost 2 years and the problem crept in only recently.
2 - Proof Colors Confusion
I mostly work on the web and rarely need to print. Round about the same time the above problem reared it's ugly head I also started having issues with how many graphics colours looked in CS5. I realized that half of the time I was working with 'Proof Colours' switched off which made my colours really intense (something to do with gamma).
I checked my 'Proof Setup' and switched it to Internet sRGB seeing as I mostly work with web graphics and photos. I then hit Ctrl+Y to switch on Proof Colours and now I see the colours as they really are.
My question for this is twofold - Am I correct to be working in sRGB and is there ar way to have 'Proof Colours' always switched on so that I only EVER see the 'actual' colours that others will see when I publish my files to the web?
These two issues arose at the same time and are linked. I tried installing a demo of CS6 in the hopes it would set me back to where I used to be but alas nothing changed.
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Dec 8, 2012
How come my 16 bits RAW file is only 10 bits when converted to DNG? To me that sound like a loss in quality and possible post processing issues. Do I need to worry?
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Jul 27, 2012
I have just lost proper color in my CS5 suite and it appears that I dropped a channel (red?). I did not change my profile and trying to do so has no effect.
Color is correct in all other programs and my monitor is correctly calibrated using Huey Pro. Attached is a screen shot of a side by side of the same image displayed in IrfanView and in Photoshop.
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Nov 10, 2006
Color pencil is a transparent medium, most like watercolors; as a result, it is equivalent to the CYMK mode in Photoshop.
I'm working on an exercise to use only the primary colors in color pencil. If I am in CYMK mode in Photoshop, I can separate each channel to see how much pigment goes into each color. However, I would like to print it on a transparency IN COLOR, so I can superpose them onto each other to see each contribution in its original color.
But whenever I have only one channel left - say, magenta - the image appears in grayscale.
Is there a way to have each channel show up only in its own color, rather than in grayscale?
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Sep 8, 2012
How to make a Spot Color Channel on Photoshop? I am using this image as an example. The blue color in the background needs to be printed mostly with a spot color that is close to the original painting color (ex: Pantone Blue 072C) . But the CMYK color still should be present in within the blues to resemble the subtle nuances of the brush strokes. I can’t figure it out on my own.
For more samples of painting images, go to
[URL]..........
The reason I am doing this is because the artist’s works were represented on many publications over the years from many different countries. And we found out that CMYK color alone cannot duplicate the blue color very well (I mean the blue only, no problem with other colors). I know, it is hard to believe, but if you see all the publications and compare it to the original art, you would see the huge difference in color saturation and luminosity. That is the reason, I think it is necessary to use a spot blue for an upcoming catalog of the artist.
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Sep 9, 2004
For a long time I have been struggling to find a good workflow for what I would call "multi channel color separation". What I want is to reduce a full color RGB image into an image with only a limited number (e.g. 5-8) well-chosen colors, for instance to use as set of masks for screen print. (I'd also like to use this as an effect in itself, mimicking a typical 'screen print' or 'litho' effect on an inkjet print)
The idea is to create a set of monochrome layers or spot color channels. Colors are to be selected by myself (so not necessarily RGB or CMYK). Each channel/layer has to be a continuous tone that I transform myself into a dedicated half tone screen (e.g. with the Andromeda screen filter).
Till sofar it is clear to me. My issue is: How to separate the image in the predefined set of colors?
I can not just select a color range: I can adjust a "tolerance" but that is too general. I need the pixels of with a specific hue but with the full range of lightness (e.g. all the purple pixels that range from dark/medium purple to very light purple). The dark colors can be made dark with a black channel. I'm not sure how to deal with the saturation range.
An approach that gives sometimes a result that is to some extent acceptable is to transfer from RGB mode to an Indexed Color mode and use a custom palette. However, this does not give much control on the halftone screening process.
I envision for instance an approach of filling a layer with a solid given color, select in one way or another only those parts that correspond to the original image and subtract that layer somehow from the image. This process is then to be repeated for each color. Up till now I have not been able to figure the right options to do this. But maybe there is a better way to do it.
One final wish: it would be great if the process can take into account that some layers in the final print are (semi-)transparent. In my opinion this would exclude just selecting a color and deleting de pixels.
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Jul 13, 2005
I creat an alpha channel it shows up as white on my Photoshop Version 6 while my friend's alpha channel comes up in black on Photoshop CS. Obviously each is a default setting. How do you change the alpha channel color from white to black and vice versa.
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Jun 17, 2004
I've got a cmyk image with nothing in the black or the cyan channels.
All I was wanting to do is make the yellow channel black and the magenta channel brown.
So, the yellow channel prints in black and the magenta channel prints in brown.
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Mar 20, 2012
I'm using the 3D render engine vray, using its multimatte render element which assigns mattes of certain materials (or objects) in the scene to a channel: R, G, or B.
I'm curious about the best way to composite once I have this file rendered out. The simplest way I can think of is doing a color range selection on the matte channel's solid color, then using that selection to modify my image as necessary. But I have used After Effects to do this also, and there is a "channel select" effect that extracts the channel and converts it to an alpha mask in one step... makes me think there's a more elegant way in Photoshop as well.
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Jan 27, 2013
When I save an OIL PAINT file created in Photoshop CS6, it saves with red and blue shapes over the image. Before saving, the image looks fine. I'm running windows 8. Is it me or a CS6 bug?
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Nov 12, 2012
I want to change in CS6 the thumbnails for the red, green, and blue channels from color to black and white. How is this done?
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Aug 2, 2004
I'm working in the multi-channel format, which as you may know, does not support layers.
Does anyone have any tips on experimenting with the layout, without the use of layers?
At the moment, I've been working out the layout in another (layer-supporting) colour mode, and then recreating that layout in the multi-channl mode.
Surely there is a better way of testing different layouts, within the multi-channel mode itself? I'm finding it very inflexible at the moment.
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Nov 21, 2012
This question is more theoretical, as I have found a work around. On a layer, I have a gray color, which I sample, and it becomes the desired Foreground color.
I would like to Fill a Selection in an Alpha Channel with this gray color.
However, when I view the Alpha channel, my forground color is lost to black/white, which I understand, as the Alpha channel is a gray scale image.
But, I am able to sample a gray Swatch to make a Foreground color, but how can I preserve my chosen Foreground gray selected from a Layer? The only way that I know would be to make a new Swatch, and then use that when I am in Channels.
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Jul 26, 2013
I am a screen printer and I print my separations from Photoshop. I routinely work with multi channel files or RGB files with additional spot color channels. I have created actions to place my registration marks, re-size images, etc to get ready to print but I manually have to create the text labels for each screen if they are missing from the original artwork.
The files I work with have channels named as "Base White, Red, Green, 284 Blue" etc indicating the ink color. What i would like to be able to do is click an action that would copy the text from the channel name and insert it into a separate or each/all channels near the top of the file so that when I print each positive it has a corresponding label for ink color.
I am not sure if this is even possible, and I am limited on my knowledge when it comes to actions and have pretty much got lucky in the past getting them to do what I want without unnecessary steps.
On my registration target action it creates a new channel with each individual reg mark then combines them into one separate channel in which I just copy the contents and select all the ink channels and fill with black to make them appear, i'm happy with the steps it takes as it isn't too much trouble and if this could do the same with labels I would be happy with that.
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Mar 23, 2012
I wonder if there's a support for 30 bit color-capable displays (with compatible graphics card and driver, of course...) in Lightroom 4...
I have a NEC PA241W monitor and FirePro 5800 graphics card at my workplace --> which work well with 30 Bit color depth in Adobe PS CS5.0.4.
Since Lightroom 4 requires an "OpenGL 2.0" compatible graphics card it's obvious, that OpenGL is used now (I think LR3 didn't..?). If LR4 is able to handle 30(48) bit color depth(?)
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Oct 23, 2013
Is paint.net v4.0 still promising color and alpha channel editing / masking?
I'm sure I read this in the roadmap feature list years ago, though I can't find the place to reference it. In fact this is my favorite anticipated feature for which I've been checking paint.net every month for the last five years!
I eagerly downloaded the 4.0alpha but see no sign of color channels to go with layers
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Feb 13, 2014
I'm experimenting with a digital IR camera. The images are very "magenta" in color and everyone states to simply "swap the Red and Blue" color channels. How can this be done in Paint.net? Is there a plugin that would process IR color pictures?
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Mar 28, 2013
I need to print a document with partial UV-spots, and cannot figure out how to make my Illustrator document ready for print!
The online print center guides me to: create a 'seperate print channel' for the specific elements in my document i want covered, with either a '5th color or a special color' set for 'over-print and 100% color'.
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Jan 2, 2014
Just made sure updates for the video card and all the hardware were current and still getting this problem where when I go to adjust a channel of video a random frame from the below channel will insert itself into the clip that I just moved as if it was married into the source footage.
Adobe Premiere Pro
Running an nVidia 660 with 331 drivers installed
Win7 64 bit ultimate
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Mar 29, 2007
there's a sharp transition after the smooth one (transition end and fill color doesn't match)... What is configured wrong? in the gradient settings, there's only one color, and gradient midpoints are also in the middle...
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Aug 18, 2002
My font settings is messed up in my Photoshop 7. If I put it on size 6pt it looks like it is size 12. And when I put it on size 12 it looks like it is size 24 pt. And it gets a jaggy! I tried reinstalling it but it's still there.
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Apr 29, 2004
bought a digital camera
my question, why are the colors like this? i do not know of any settings i changed, i just pasted a picture into photoshop and the colors became all weird. how to make it "regular" again?
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Sep 12, 2005
I'm having a little problem with Photoshop cs.
When I start a new image and paste from my clipboard the image shows up looking very red. I'm not sure what the problem is. I've messed around with the color presets and color modes but nothing seems to help.
I'm using the RGB color mode 16bit.
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Sep 7, 2005
Something happened to my photoshop that messes up the fonts. They all look like caps when I type (no I don't have capslock on :P). Not the seize (they are normal seize) but the form of the letters. ie. all my a's look like A, not a and all my e's look like E, not e. Very different form and because of this my curly fonts etc. look very ugly and unclear now.
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Apr 20, 2012
There seems to be tons of threads on how to make a transparent image, but I haven't been able to fine one to do one specific thing.
How do I set the alpha channel to be black? I want to have a black background on a png file, but I need the black to be transparent to things behind it on a webpage.
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Sep 26, 2012
How can I get the channel subassembly to attach to the assembly insertion point at the channel flowline marker? I need the flowline to follow my profile elevations.
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