Red and Blue

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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.

learn more… | top users | synonyms (2)

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Oversaturated colors in Chrome (V43) on wide gamut monitor

I recently bought my first wide gamut monitor (Eizo CS420) and calibrated it using a Spyder4Pro. Everything appears to be working great in Lightroom and Photoshop, and I can finally appreciate the ...
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14 views

Geforce and Quadro in one system with their specific driver [migrated]

I already have Geforce GTX 770 and a Dell monitor. I've recently bought a EIZO 10bit monitor. I read that it might be tricky to get it running with only one graphic card. Unless the GTX 770 supports a ...
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1answer
47 views

Why does Colorhug calibration with laptop and Linux Mint 17.1 come out very red?

I bought a ColorHug colorimter to calibrate my laptop's screen. My laptop is a Asus K53JE running Linux Mint 17.1 (Ubuntu 14.04). To calibrate the screen I plugged the colorhug and use Linux Mint ...
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2answers
51 views

How is the spectral response of a camera typically measured?

I cannot find any resources that detail a standardized method of measuring the spectral response of a camera. Does such a standard exist? Does anyone know how to do this? To give some context, I'm ...
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2answers
36 views

Color profile from calibration affects Windows' Preview

I recently bought an X-Rite i1 Display Pro that I used to calibrate my notebook. I had some problems with the calibration, but it turned out that my settings were not perfect and in the end I managed ...
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1answer
67 views

Will Sekonic's C-700 Spectromaster help me accurately capture light and color?

Sekonic announced the C-700 spectrometer for photography, video and cinema. I am a visual artist and I am creating a new project with photos of body art. I am very interested in accurate light and ...
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2answers
70 views

How is data in a camera's colorspace transformed into XYZ or a standard RGB space?

I have a canon 600d that says it uses sRGB. How is this even possible without having the same spectral sensitivity spectrum as a standard observer? It is possible to define the matching functions of ...
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1answer
89 views

How to get Lightroom to render JPEG photos the same as on the 60D LCD?

I really like the way my photos appear on my Canon 60D LCD screen. However, when I import them into my computer using EOS Utility 2 and then into Lightroom 3, they are not the same. For example, the ...
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2answers
123 views

Colour matching with Photoshop and Canon IP7250

After having used a HP multifunction printer for some time, today I upgraded to a Canon Pixma IP7250 inkjet. I'm having serious difficulties making the prints resemble the images on screen, an issue I ...
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3answers
81 views

How do I calibrate two displays to the same color? (LCD, LED backlight and CCFL backlight)

I've got two displays. One is approximately six years old: Fujitsu P24-5 ECO (LCD/IPS, CCFL backlight), the other one is a DELL U2412M (LCD/IPS, LED backlight). I've tried to color calibrate both ...
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2answers
171 views

X-Rite i1 Display Pro - settings for a notebook

I recently bought a digital colorimeter from X-Rite, precisely an i1 Display Pro. I tried different configurations, with and without Flare Correct, small and huge color palette, with and without ...
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2answers
59 views

Is it possible to do non-destructive JPG color correction?

I would like to perform color correction on my photos before printing so that my workflow will create reproducible prints. (i.e. the lab corrects my photos and I print them again later, they may be ...
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1answer
91 views

How to read a film color response chart?

This is partially a follow up to my first question where people provided information about color response charts. I was wondering how to read them. Take for example this one from Kodak: This image ...
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1answer
97 views

Prints are too dark when printing from computer, but not from SD card

I have a weird problem. I have an Epson XP 820 printer, brand new. I have been trying to print photographs and running into a problem where the printed photo (printed from photoshop or picasa or ...
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0answers
76 views

Preparing/using a camera color profile using IT8 target on Linux/Darktable

In my photo processing workflow I use Darktable to handle the CR2-to-TIFF/JPEG conversion, however I frequently struggle with getting the colors right. As the first step toward correct colors I am ...
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2answers
74 views

How to select “white point” before calibrating a monitor with Spyder3 [duplicate]

My Samsung monitor has the following Color Modes Cool 2 Cool 1 Normal Warm 1 Warm 2 With factory settings, the monitor has a minor red tint; if I switch to Cool 1, it looks normal; whites look ...
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85 views

Lightroom 5 colour profile issue

I have just noticed that lightroom 5.7 exports every jpeg with AdobeRGB profile embedded, no matter what profile I select in export dialog box, Anyone has an idea why?
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2answers
122 views

Does the right calibration temperature for my monitor depend on season?

I just bought X-rite calibration kit but one thing makes me curious. Should I set colder white point (6500K) for summertime and warmer (5000K) for winter? Will global warming cause atmospheric effects ...
2
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1answer
119 views

Effective viewing of Margulis' latest tome

I just got Modern Photoshop Color Workflow by Dan Margulis, and it appears to be self-produced and only available from him (via Amazon or other brokers, though). Given the subject, I suppose he has ...
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2answers
292 views

Printing Profile Targets Using ColorSync Utility in Mac OS X Yosemite (10.10)

I am trying to print a color profiling target (created with Argyll) using the ColorSync Utility in Mac OS X 10.10. Unfortunately, the option "Print as Color Target" is always greyed out. In some ...
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3answers
319 views

How to save large photos with web safe colors?

When I'm done in photoshop I always use save for web to take care of color management so it looks the way I want in the jpeg, but it won't let me save photos any larger than 8191 pixels on a side, ...
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2answers
236 views

How to adjust colours displayed on MacBook Pro?

I'm trying to print photos from Aperture on my MacBook Pro (Retina, Mid 2012) via commercial printers. 4 different printers have consistently printed my photos looking more green than they look on ...
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1answer
204 views

How can I adjust white balance for many photos by the same amount in Lightroom?

I own Lightroom 5 and I've been running a quite stable workflow for several years, including calibration of the monitor and the printer. In the past I printed my photos on my own and I was pleased ...
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1answer
151 views

What is the relationship between ICC profiles and the color modes of my wide-gamut monitor?

I bought an LG 27MB85Z-B monitor, and I have a few questions about its operation and colour calibration. It comes with its own calibration software LG True Color Pro and I am using Spyder3Express ...
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1answer
1k views

How can I calibrate a Dell U2412M for 100% of Adobe RGB?

My in-warranty Dell U2412M monitor is wide gamut, and I've set it for Adobe RGB. Yet when I calibrate the monitor with a Spyder 4 by DataColor, I can only get 79% of the RGB color gamut. How can I ...
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2answers
116 views

Color spaces for large prints / and or web

I am using a MacBook Pro (2011) and edited a photo from camera raw into photoshop. The color space is set to sRGB within photoshop. I used Lightroom to export to JPEG while ensuring that the color ...
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1answer
169 views

Why does enabling color management make my colors desaturated?

Here's a pair of screenshots of the same image, as displayed in Geeqie. On top is the version with color profiles disabled (on the View -> Color Management menu). On bottom is the default, with ...
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189 views

Raw image looks different in Camera Raw 6.7 than when opened in Photoshop CS5

I know a similar question has been posted before, however, I am now not referring to a preview image, but the same .dng -file first processed to look good in Camera Raw and when I click "Open Object" ...
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1answer
69 views

Different perspective of view in a Display [duplicate]

I love to shoot raw. I have a desktop with a 20 inch LG HD LED Monitor, and most of my post-processing is done using DPP (Digital Photo Professional). I also have an HP Compaq 15-s001TU Notebook. I ...
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7answers
746 views

Is CMYK less blue than sRGB?

When comparing the sRGB and CMYK color spaces, the sRGB color space encompasses much more blue than the CMYK does. Open Photoshop using sRGB as the color space. Fill the entire image with blue ...
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31 views

For photos that end up on the web, does Adobe RGB matter? [duplicate]

To pay the bills I am a developer first, web stuff mainly. All of my photography, so far, has just ended up on the web, and I don't think that that will change anytime soon. I shoot in RAW and then ...
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7answers
979 views

What is the purpose of gamma correction in today's screens and how does it relate to graphics and photography?

I am getting quite confused with the purpose of gamma correction and the relationship between gamma corrected and uncorrected images in terms of graphics and photography as well as color management in ...
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2answers
134 views

CIE Chromatic Diagram explainment

The MacAdam Ellipse is applied in the CIE Chromatic Diagram. I understand that humans distinguish some colors better then other colors (that's why the shape is eliptic / a horseshoe / inverted ...
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3answers
111 views

How to view the gamut of my printer?

I'm recently unsatisfied with my prints from my printer Epson 3880. The color is simply out of gamut of my image (flowers with vivid colors). I checked with different ICC profiles in color sync and ...
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2answers
92 views

Printer color calibration software for “manual” calibration

I don't think that I need professional calibration for my printer (its for private use, and an MX925 only anyways) but I thought that since I have a color checker passport, there might be some way to ...
2
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1answer
114 views

RGB working color space that uses the L* tone response curve?

There are a couple of RGB color spaces out there - LStar-RGB.icc and ProStarRGB.icc- that use the L* tone response curve. What's the supposed advantage of using the L* TRC over using a gamma curve as ...
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1answer
248 views

Is it possible to reproduce a colour tone (of any photos) perfectly (by curves)?

Is it possible to mimic a colour tone perfectly? (most likely using curves.) For example, I want my photos taken by my digital camera having the colour tone of the film-photographs (let's say ...
2
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1answer
81 views

Do I have to do camera calibration every shoot?

I bought a xrite color checker export. I understand that for white balance, I'm suppose to shoot the card every shoot. Because the whitebalance is different in every environment. But what about ...
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1answer
42 views

How can I copy all metadata, including color profiles, from one jpg to another?

I tried exiftool -tagsFromFile but it seems to skip color profile exif.
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1answer
23 views

Using a standard color chart do I need to create profiles for my body/lens combo for multiple lighting conditions?

I have the x-rite color checker and I've read that I should create profiles for each body/lens combination and some places even say for each lighting condition, though I have to wonder if that last ...
5
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1answer
246 views

Is it possible to “apply” a color profile to an image?

The question title is not very representative but I couldn't think of a better one. I have an image in JPEG format with a color profile embedded into it. If I open that image in a program that ...
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3answers
529 views

Why can't one calibrate a monitor with a DSLR & a color chart?

The idea is simple: Take a RAW photo of a real color chart outside to get a white point of D65. Use that to get an accurate color correction matrix for the camera sensor. Use the same camera to ...
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1answer
324 views

Noticible diff. using Display port versus DVI on Eizo ColorEdge Monitor?

I am wondering if an Eizo ColorEdge monitor will show noticeable improvement if I upgraded my graphics card to one with DisplayPort capability. The specs say: DP - 1024 contrast tones, and 1 billion ...
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0answers
110 views

Per-Application Color Management under GNOME3

I have recently used DispcalGUI and a Spyder4 to calibrate my monitor. I have selected the resulting calibration profile with the GNOME setting manager. However, instead of making my workflow more ...
3
votes
1answer
445 views

Where can one find Canon printer icc profiles?

I'm using a Linux machine, and i'd like to do soft proofing with GIMP. Although I can choose the paper type in the print dialog, I can't seem to find the actual icc profiles for canon's glossy paper ...
3
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1answer
239 views

Human perception in color mixing

Look at this image: 50% of its pixels are blue (0, 0, 255), 50% of its pixels are yellow (255, 255, 0). When I look at my computer display from a distance where I cannot distinguish the ...
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4answers
1k views

Should I return my new wide-gamut monitor or buy an expensive calibrator?

As a newish but serious photographer (hobbyist not pro), I decided to buy a high resolution wide gamut monitor that wouldn't totally break the bank but is expensive (~$650) and well-reviewed. I ended ...
6
votes
4answers
618 views

Color calibration red color cast

Here is my setup: X-Rite CMUNDIS ColorMunki Display Calibrator 30" IPS LED Backlit LCD Panel WQXGA 2560x1600 hooked up via HDMI 15" Retina Macbook Pro I first calibrated the retina macbook pro ...
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4answers
126 views

How to calibrate colors from photos for classification purpose (ICC profile)?

For a scientific study, I have to classify pictures of crop canopy in two classes: vegetation / soil. These picture are taken at several places, different times and date. The idea is to use the same ...
4
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4answers
1k views

CMYK vs RGB - Can a DSLR take CMYK images?

I seems that all cameras take photos in RGB format and printers take photos in CMYK format. If the photo is not in CMYK, then the printer converts it to that format with some loss of quality. Can the ...