Questions tagged [color-management]

The process of managing color settings on various viewing/output devices (computer monitors, projectors, printers, etc) so that colors appear the same regardless of how an image is viewed.

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Color Calibration with tungsten today

I plan to shoot some color calibration photos for an arcane device. I plan to do the noon light and the tungsten lighting. As you may know, normal tungsten light bulbs are no longer sold here in ...
Stefan Hegny's user avatar
1 vote
3 answers
102 views

Why is softproofing before print necessary - can't an optimal adaptation be computed automatically (at least a proposal)?

I am struggling with the need of softproofing before printing photos. I usually use Adobe Lightroom for editing images and also for printing. I use color profiles - all good. What I do simply not ...
Jakob S.'s user avatar
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Using a <24 panel colour checker in Darktable

It's common in my industry for reference/archival photographs to be taken with a combined scale, grey, and colour checker card (often with rectification targets too). In most cases, the standard is a ...
HeyItsRobin's user avatar
4 votes
1 answer
169 views

How to use JPG embedded in RAW for color calibration in darktable

My camera (Canon EOS R5) does a great job with colors for the embedded JPG, but I am unable to achieve similar colors (mainly skin tones) when processing the RAW version of the image in darktable. I ...
YSN's user avatar
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Using IT8.7/2 target for camera calibration

I got interested in colour calibration of my input devices. I am not a pro, the purpose is to achieve good colour preservation in family archive digitization effort. So cost is a factor. For my ...
texnic's user avatar
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Epson SureColor P800 printing black and white photos greenish

I am trying to print black and white photos and the prints have a greenish hue. These are photos that I had printed before. They printed correctly in the past (just black, white and grays, no other ...
GY TY's user avatar
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2 votes
1 answer
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Should I change ICC Profile when using Wide Gamut Monitor Clamp/Emulation Modes?

Recently got a wide-gamut monitor, an Asus PA 32 DC. As I understand it, in Standard mode, the panel is running at panel native. With color-managed applications in MacOS, images tagged with a color ...
mrzk's user avatar
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2 answers
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What lens do I need?

I am looking to mimic the below photos to the best of my ability. Hue, the softness of the photo, cool toned, range of view, etc. I have a Sony a7III. I understand editing is done to the photo after ...
DREW's user avatar
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1 vote
1 answer
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Is there a software which can compare printer color profiles (not only gamma but color mapping)

I have a Canon Pro 10s Photo Printer and recently printed some photos on the Canon Plus Semi-gloss (SG-201) paper using the printer profiles included with the driver (my screen is calibrated using a ...
Bruno's user avatar
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Why am I losing the color profile when GIMP invokes Darktable?

When gimp 2.10.32 opens a raw file using darktable 4.0.1 via the plugins/file-darktable/file-darktable plugin, my image has the color profile assigned to it that I want. (I have a preset for the ...
Gary Aitken's user avatar
1 vote
2 answers
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How to highlight an area of this photo by its color?

I have no knowledge at all of image editing and analysis, so I beg your help. I have a photo from which I want to highlight the brownest layer, indicated in the red rectangle. This is important ...
Daniel Valencia C.'s user avatar
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1 answer
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How to calibrate my monitors and colorspaces to to best create a workflow or editing raw photos for uploading and viewing on the web

Question 1: I have bought 2 monitors-4K ADOBE RGB and 4K SRGB. What/how should I set up the monitors' calibrations and color spaces to best edit my raw photos for exporting to the web? Question 2: I ...
Johanna's user avatar
2 votes
1 answer
150 views

Can ImageMagick do channel difference and swap?

In emulating Kodak Infrared Ektachrome (EIR) film (a.k.a. Aerochrome) with images from a full-spectrum-modified digital camera, I want to subtract the blue channel from the red and green channel, then ...
Jan Steinman's user avatar
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2 answers
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edge specific color cast removal?

I'm helping to remove background from an image but am finding the edges of the foreground object are experiencing color cast more than other parts of the image. I've tried gimps white balance and it ...
Li Brary's user avatar
2 votes
2 answers
80 views

Uneven tint gradient on photo taken on reprostation

I take photos with my Canon 20D on a Kaiser Reprostand of books for publication, lectures or documentation. I get sometimes uneven/gradient lightning, especially when using a white background. When ...
SEJU's user avatar
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Would spectral responses of camera pixels be more "raw", more compact and superior to ICC/DCP camera color profiles? If not, why not?

Background: I'm trying to understand the function of camera color profiles (for raw output) in terms of the hardware. I have found lots of web sites that explain the function of camera profiles from a ...
Sami Liedes's user avatar
1 vote
1 answer
263 views

How do I ensure that the colours printed more closely align with Relative Intent in Lightroom?

I am in the process of preparing photos for a photobook to be printed with a volume commercial printer (zno.com). I have calibrated my screen, and have received ICC profiles for my printer, and am ...
Topdown's user avatar
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3 votes
1 answer
567 views

Confused with my monitor Picture Modes

I've recently bought my first "Designer Monitor", Benq PD2500Q (yeah I know it's probably still shit for professionals, but for me it's the first 'better' monitor). I'm very impressed by it ...
DominikK's user avatar
1 vote
2 answers
215 views

Adapt to uncalibrated printer

Print centers in my city provide bad quality of photos. I have a printer calibrator. I would like to adapt my photos to uncalibrated printer in print center. I feel process is as this: print color ...
JRr's user avatar
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1 vote
4 answers
560 views

Colors look different after exporting from photoshop even after Calibrating my laptop

I recently calibrated my laptop screen using spyderx pro and created a profile. I am so confused as the colors in photoshop display and of exported image are completely different. The exported image ...
Rjd's user avatar
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3 answers
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Shift white color of an image?

I took a photo of this stuff with my phone. It is for a Wikipedia article. The stuff is off-white, or more precisely white with orine-ish tint. Instead, I got a photo using my phone where it is light ...
kjsdfkns's user avatar
3 votes
1 answer
2k views

How to edit more than 8 bits (10, 16 bits) of color in GIMP?

I've found out GIMP supports 16 bits color editing, e.g. here Can I use 10bit effectively today and if yes how?: Software support for editing in 16- and 32-bit color is good: ...
Martian2020's user avatar
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1 answer
124 views

Would really (if so than why) 10bit HEIC get displayed incorrectly on a 8bit monitor?

I wanted to understand more about higher precision color representation (bit-depth). IMO shift from 8 bits to 16 is long overdue, we use 8bit since VGA and now use many times more pixels but same ...
Martian2020's user avatar
3 votes
3 answers
259 views

Capturing then printing color-accurate images

I want to take photos of a few surfaces (wood floors, bricks, etc.) then print them, matching the colors of the actual object (in whatever the lighting conditions are at the moment) as closely as I am ...
Jason C's user avatar
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1 answer
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What are these focal lengths for Sigma Nikon Optimization Pro for 14-70mm F2.8 OS HSM A017?

I've been calibrating my Sigma lenses using the Sigma Optimization Pro application and the doc hub, for instance, the 24-70mm F2.8 DG OS HSM A017 Nikon version. In order to do so, I take photos at ...
foamroll's user avatar
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0 votes
2 answers
691 views

why my image (exported as sRGB, 8bit) looks color washed and pixeled after instagram upload

I uploaded this images on Instagram using color space sRGB, 8 bit (as recommended) . Size: long edge: 2160 px. The original images wasn't this color pixaleted (notice faint magenta bar running from ...
pixhibit.samco's user avatar
1 vote
2 answers
175 views

DigiKam vs. LibRaw command Output Discrepancy

Recently I have stumbled upon digiKam software which internally uses LibRaw library as a raw conversion engine. I have tried to convert one of the images I have using digiKam with all conversion ...
wisdom's user avatar
  • 151
1 vote
1 answer
216 views

How can I compare histograms between a digital image and it’s print

I want to compare color histograms between a digital photo and its physically printed in cloth (like a T-shirt) version. The process is simple: Printing a digital image (with good resolution) in a T-...
Pablo Carneiro Elias's user avatar
1 vote
1 answer
968 views

How to emulate sRGB on wider gamut or buy only sRGB monitor?

My Dell U2520D display shows magenta cast on a standard mode on both windows and mac. I think I am aware now that even if I use RGB ICC profile with this wider gamut display it will still look ...
IndianUser1993's user avatar
1 vote
1 answer
174 views

Why does a green product that's been color corrected (with color checker passport) look blue and how do I fix it?

I'm a freelancer hired to edit product photos. The company mailed the products to me so that I can ensure that the color of the products match what they look like in real life. I do have some ...
Jeremy McCloud's user avatar
1 vote
0 answers
162 views

Why is the contrast calculated in i1Profiler so low?

I just received a Dell S3221QS 32" Monitor with a VA panel. I used i1 Display Pro and i1Profiler 3.x to calibrate the monitor. At the end the calculated contrast ratio is just 256:1, which is ...
FarO's user avatar
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1 vote
1 answer
874 views

What Conversion Engine works best in Photoshop? ACE or ICM

Adobe ACE v Microsoft ICM: Bakeoff Adobe's Windows Photoshop offers two conversion engines for converting colors. These are used when converting between different RGB colorspaces as well as doing ...
doug's user avatar
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8 votes
2 answers
1k views

Pictures uploaded to Facebook display wrong colors, but only in Firefox

I've noticed on several occasions that the colors of my photos are slightly off when uploaded to Facebook. But I noticed this apparently is only in Firefox. Take this photo, for example: https://www....
Pete's user avatar
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2 votes
3 answers
2k views

Converting from sRGB to ProPhoto & vice versa on Photoshop (with a 120% sRGB screen)

This is just academic: I want to find a cyclical way to convert from sRGB to ProPhoto and vice-versa on Photoshop. I notice that no matter that the images from Is Your Browser Color-Managed? looks ...
Fredy Andres Rosero Cristancho's user avatar
1 vote
3 answers
421 views

How to use my display calibration settings with photoshop

I have a problem if I use my DisplayCal profile with photoshop, and save an image like a png or jpg the image turns out darker when I view it in another program but looks fine in photoshop before I ...
hydrix85's user avatar
3 votes
3 answers
498 views

Effect of assigning an ICC color profile at different stages

What is the difference between applying/assigning an ICC color profile to an image for color correction During opening and processing the raw image in some studio software (e.g. Lightroom, CaptureOne)...
wisdom's user avatar
  • 151
-1 votes
1 answer
202 views

How to create custom reference data for ColorChecker Charts using X-Rite ColorChecker Camera Calibration?

I am using ColorChecker Camera Calibration v2.0 in combination with Colorchecker Digital SG achieving the most colourimetric accurate colours. At the moment the software is using the values given by ...
G M's user avatar
  • 413
1 vote
1 answer
294 views

Why do preview images in camera LCDs, phone screens, and editing applications appear darker, or with more saturated colors? [duplicate]

For many years now, I've noticed that cameras of different sorts and image editing program display a preview image of different colors from the final image, while it's loading the final image. I've ...
user151841's user avatar
1 vote
1 answer
371 views

Color profiles in export as and automated batch export are different

Issue I'm trying to export images in batch with a color profile but they aren't exporting with the same color profiles. While this looks OK in most places on Instagram for example the colors are ...
Ciarra Godson's user avatar
2 votes
3 answers
319 views

Color Calibrating - the display? or the output? Key Basic Issues - help!

I have the Xrite i1Profiler and there are several things I need to understand. 1.) Calibration seems to mean running the software and creating a profile. The profile seems to be located on the ...
Wombat Pete's user avatar
1 vote
1 answer
258 views

ICC Calibration (Profile) for more bright black on LED screen

I have an IPS LED screen and I don't like its black because it is very dark. I know it's a bit strange (is it?) but I want the black to be more bright (that means grey) without white becoming darker. ...
Hansebenger's user avatar
1 vote
2 answers
367 views

Profiling a scanner: What does the Media White Point stand for in an ICC profile?

I want to profile my scanner using an IT8.7/2 chart. Analyzing the ICC profile I generated it shows that the Media White Point is close to D65 illuminant (6501K). What does this mean? Does it mean ...
Lee1010's user avatar
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2 votes
1 answer
104 views

Why don't the values given by Argyll's scanin match what I see in darktable or Gimp

I'm trying to do a variation of the color profiling flow given in this post about color profiling I take an image of a Wolf Faust it8 target, turn off a bunch of the default processing that darktable ...
mmccoo's user avatar
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5 votes
2 answers
3k views

6500k calibrated monittor - what are the RGB values to represent a given monochromatic radiation of known wavelength?

Say I've calibrated a monitor to the standard 6500k 2.2 gamma, and the color space is sRGB. On this monitor, I would like to have a reasonably accurate representation of a monochromatic radiation (...
Florin Andrei's user avatar
3 votes
3 answers
236 views

Can't get the right colors when shooting art. Looks pale even with ColorChecker Passport

I am trying to shoot my art, and colors seem off, more specifically pale. I am aware I can adjust settings manually since I shoot in RAW, but I feel like if I get exposure and white balance and ...
mgPePe's user avatar
  • 131
5 votes
0 answers
715 views

Differences between DCP and ICC profiles?

I am trying to understand what is the best colour profile that I can generate from a ColorChecker for calibrating my camera. I always used ICC colour profile standard but now I saw also DCP colour ...
G M's user avatar
  • 413
1 vote
2 answers
1k views

Where can I find color data for X-Rite ColorChecker Classic?

I would like to use the grey patches row of my X-Rite ColorChecker Classic to set correct exposure in post processing, but I can't seem to find the data for the chart on X-Rite website or elsewhere. ...
Skippy le Grand Gourou's user avatar
1 vote
1 answer
398 views

Look Up Tables in Colour Science

I am looking into the colour science regarding lookup tables, and their application to images. I am trying to find out what the values within the LUT actually represent. ...
hdcdigi's user avatar
  • 13
2 votes
2 answers
869 views

Should I adjust the settings of a monitor before calibration?

I have previously only used the build-in monitors of my MacBook or iMac, which I have calibrated with a ColorMunki Display. They only had one parameter, brightness, for which the calibration software ...
Pete's user avatar
  • 3,302
4 votes
3 answers
185 views

color spaces and monitors

What happens when retouch an AdobeRGB image in a monitor that only displays sRGB? I normally work on AdobeRGB mode and on a monitor that displays this color space. However, I am going to be using an ...
Martha's user avatar
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