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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)

44
votes
5answers
2k views

What should I look for in a monitor for photo processing?

What aspects should one keep in mind when choosing monitor for photo processing? What about color gamut, panel types, input types, requirements for video card, different gammas, refresh rate, angle of ...
24
votes
4answers
639 views

What are Color Profiles and where would I find information on using them properly?

I see the term "Color Profile" a lot and I have this vague idea that it helps you adjust color values based on the unique differences of both cameras, displays and printers from some ideal device. ...
11
votes
2answers
1k views

What software shows the most accurate version of a photograph for web viewing?

I have a photo (photo_A.jpg), taken on a post-sunset beach, for which I want to reduce some noise. I do so using the luminance noise reduction technique from Adobe Camera Raw, open the image in ...
15
votes
3answers
882 views

How do color spaces like sRGB and Adobe RGB overlap?

Is sRGB included in Adobe RGB, and Adobe RGB included in ProPhoto RGB? Meaning that a photo in a "lower space" will look like exactly the same in a "higher space", e.g. a sRGB photo will look like ...
8
votes
1answer
1k views

If I assign a profile to my monitor in Gnome Color Manager, should I also enable that profile in Gimp?

I finally got around to using dispcalGUI to profile my monitor under Linux. Now, having assigned that profile system-wide using Gnome Color Manager (or the Xfce Color settings dialog), there's a ...
5
votes
4answers
14k views

How can I get accurate photo colors on a laptop screen?

My editing mainly involves these things: Adjusting the colors, white balance , brightness (slightly , to get that subtle combination) Cropping of the images. I have recently bought a laptop and I ...
3
votes
2answers
3k views

Do the issues with sharpness I am seeing require AF fine-tuning?

I own a nikon D7000 with 18-105 lens. I am not happy with sharpness I get with autofocus in portraits. I read about front/back focusing, but I am not sure whether my gear has this issue. Is this issue ...
12
votes
3answers
727 views

What are the recommendations for getting best color matching when using a photolab?

So I want to use one of the many online printer photolabs to send my photos to and have them print them and send them back. What is the best way to make sure the colors I see on my monitor match what ...
25
votes
4answers
6k views

What cheap colour calibrators are available for Linux?

I have several computers (at work, at home, laptops, etc.) that all display my photos differently. Alas, it's time to get a colour calibration device — but which to choose? I am no professional, so ...
17
votes
5answers
19k views

How many colors and shades can the human eye distinguish in a single scene?

How many distinct colors, shades, hues, and tints can the average person distinguish in a single scene? In other words, what's the theoretical bit-depth required to be sure of recording a photograph ...
16
votes
4answers
690 views

Questions to ask when using a professional printing service

I do lots of landscape photography. A friend of mine wants one of my photographs printed; I've never done this before! All of my photos are post-processed in Photoshop, and I only generate JPEG's for ...
8
votes
7answers
2k views

How can I ensure proper color rendition with browsers on wide gamut displays?

When editing for the web, everyone will recommend you to use sRGB, since a lot of browsers don't offer color management, and most browsers will interpret all images as being sRGB anyway. This is ...
14
votes
1answer
297 views

Gray card angle during custom white balance calibration - does it matter?

Do I have to have the gray card on a specific angle while taking a photo for custom white balance calibration? Or it is irrelevant? I am guessing that the gray card plane should be perpendicular (90 ...
10
votes
1answer
2k views

Has anyone tried the ColorHug?

Based on a previous question What cheap colour calibrators are available for Linux? One of the answers was ColorHug (from http://www.hughski.com). This seems quite value for money. Has anyone tested ...
3
votes
3answers
6k views

What steps to take to match screen to print?

I don't print a TON of my photos, but when I do it's because it's really important to me. I've got a MacBook Pro attached to a Samsung 2300 display and an HP Photosmart 7760 printer. I typically use ...
16
votes
5answers
1k views

Why isn't the xvYCC color space seeing uptake for still photography?

For the last fifteen years, sRGB has been the primary standard for computer monitors (and for consumer-level printing). That's changing now, as wider-gamut LED-backlit monitors become common. Usually, ...
12
votes
4answers
1k views

Do all monitors do (or need) calibration?

I need to buy a new monitor and I do not want to spend hours calibrating. I have an Apple pro laptop and I use Adobe Photoshop. Do all monitors do calibration? I was told that the Apple monitor does ...
7
votes
4answers
900 views

Why don't you need to calibrate a camera's LCD screen?

I saw this question from Leon Neal on Twitter a while back: If a computer screen needs constant calibration and checks, how come the screens on our cameras lack that facility? I can think of a ...
2
votes
1answer
1k views

How can I fix a blue colour cast from my Canon i9950 printer?

I have a Canon i9950 with an aftermarket CISS. It used to be fine, but having not used it for a while over Christmas, now all my prints are coming out with a horrible blue cast. I have checked that ...
13
votes
1answer
877 views

Where can I find good test image(s) to send to a print lab?

I am looking for a good test image to send to a print lab, to test my system's color calibration. I'll be sending my own photos too, of course, but I would also like to include one or two test images ...
9
votes
2answers
3k views

Photo printers that don't need calibration?

I am looking for a new photo printer, something in the price range of Canon PIXMA Pro9000/9500 Mark II or Epson Stylus Photo 1400/R2880. If I am using papers and colour profiles provided by the ...
21
votes
8answers
4k views

How can I validate my monitor's color calibration?

I just finished re-calibrating my display using ArgyllCMS and my Pantone Huey, and I would like to validate somehow that I've done it correctly. How can I do so simply, without buying more stuff? ...
15
votes
6answers
16k views

Why do my prints look different from what I see on my computer monitor?

I haven't printed any of my photos yet but I decided to give it a try. I am thinking of getting a printer of my own but before that I wanted to see how they would look. So, I simply printed one at the ...
9
votes
2answers
320 views

What is the best equipment for a good (semi-)professional color management?

I actually use a GretaMacbeth ColorChecker 24 to be able to produce .dng and have a good color checking. Now it is time to reach a better result, taking in to account a better calibration of the ...
15
votes
2answers
5k views

After monitor calibration colors on my two monitors are still different, why?

I have a pair of pretty nice monitors (HP ZR30w) which I calibrated with a pretty good calibrator (i1-Pro) and after I calibrated both they still show colors every so slightly differently. My left ...
9
votes
3answers
2k views

What colour space to use when printing digital photos?

As is customary with preparing images for print in a magazine or newspaper, I convert my digital photos from RGB to CMYK before inserting into my publishing application. However, when I'm printing ...
9
votes
4answers
292 views

What workflow will preserve color accuracy?

My current workflow as regards color spaces is this: Shoot in Adobe98 colorspace in RAW. Process on a calibrated Mac monitor (I believe that the gamma is 2.2) using Lightroom Produce jpgs in sRGB ...
5
votes
1answer
876 views

How do I use the ColorHug in Windows?

The open source ColorHug display colorimeter only works with Linux software. If I want to use it to color calibrate a Windows system, what do I do?
9
votes
7answers
4k views

Why are my Lightroom exports too dark in Flickr?

I've been using LR3 for a while now and have noticed that when I export a photo to JPG and upload it to Flickr it ends up slightly darker. The exported photo is ok, it's the image when viewed through ...
3
votes
5answers
862 views

How does light quality vary between fluorescent (CFL) and incandescent?

I have two sets of soft boxes. One has incandescent bulbs (3,200k) and the other uses compact fluorescent bulbs (CFL @ 5,500K). I'm trying to sort out some of my understandings regarding the light ...
15
votes
3answers
2k views

Why not use a camera as a colorimeter?

Clearly to achieve reliable results, it is essential to calibrate key parts of the imaging pipeline - particularly the computer display on which images are edited. Few seem to question the ...
7
votes
3answers
341 views

Camera with good linear light response for photometric accuracy?

I want to photograph rooms and spaces indoors, and covered areas outdoors, and get good measurements of illumination. Light sources will be sun, sky, and artificial. Another use is to photograph ...
6
votes
2answers
502 views

What is being set with Micro Focus Adjustment?

An autofocus system is system based on a feedback loop, where the AF sensor error reading if fed back to the lens focus motor. Being a closed loop, then theoretically there should be no focusing ...
5
votes
1answer
660 views

How does a display calibration device like the Spyder 3 work?

I was looking up information about monitor calibration and came across the Spyder 3 Express, Pro, and Elite. How does the Spyder 3 work to calibrate your monitor correctly?
5
votes
2answers
433 views

How can I evaluate the colour accuracy of my photos?

I have noticed that the colours in my photos are quite dependant on the medium on which I am viewing them — the camera LCD, computer monitor, TV, digital photo frame and print. So, something that ...
5
votes
3answers
1k views

How to estimate colour temperature of the illuminant from a photograph of a standard colour chart?

I am working on a digital still camera. I need to compute the colour temperature of the illuminant programmatically using some algorithm (not using a third party tool from Adobe or etc.). In my case ...
4
votes
2answers
197 views

How can several gray card shots help with metamerism?

In a comment to my answer on gray card angles, @underarock mentioned having used several gray card shots at different angles to cope better with metamerism. This sounds intriguing, but I'm still not ...
4
votes
1answer
847 views

What color calibration tool should I use to step up past my spyder 2?

I'm currently using a spyder 2 for my color calibration needs. I see a variety of other color calibration products out there on the market, and am having trouble finding a review of many of these ...
3
votes
2answers
1k views

Does “Proof Color” with “Monitor RGB” option in PS ensure that I see TRUE colors?

I seem to misunderstand color management based on comments in my previous question. Or I incorrectly asked me question so people give me wrong answers. Therefore I want to clarify my understanding of ...
3
votes
2answers
232 views

Should I perform the final color space conversion before or after final sharpening of an image?

When preparing an image for the web (or other media), the last two steps is usually to resize the image to the desired resolution and sharpen it at that resolution. However, when working in a ...
2
votes
1answer
1k views

Which color settings to chose in Photoshop and Aperture with an Epson SPR2880 printer

My workflow consists of importing photos into Apple Aperture, where I do most of my editing. Sometimes, I edit the photo in Photoshop. Aperture can automatically create a .psd file based on my edited ...
1
vote
3answers
190 views

When a lens and camera are callibrated together, which is changed, and might other lenses be adversely affected?

I wonder what exactly is the calibration of a camera body and a particular lens. I know the effect, but how it is achieved? I recently bought 80-200 (the two-ring version), I was waiting for too ...
1
vote
2answers
562 views

How do I check for slightly off white colour on an IPS monitor?

Hey everyone I recently took some shot of a model wearing my products against a white roll of paper. They turned out great but of course I had to do adjustments. Anyways the issue I'm having is the ...