Serene Life

by garik

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Color is the human perception of light as having different hue, from reds and oranges, through yellows and greens, to blues and violets. Color is a fundamental aspect of the arts and photography.

learn more… | top users | synonyms (1)

9
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4answers
53k views

How do I select all pixels that match an exact color value in Adobe Photoshop?

Is there any way to select all pixels on the current layer that match a specific color value exactly? My first instinct is Select > Color Range..., but I cannot determine how to input a specific ...
4
votes
4answers
141 views

Map R+G+B+infrared to R+G+B?

A photograph that includes color beyond the usual visible spectrum can be constructed by "overlaying" the image from a conventional camera with that from an infrared (or ultraviolet, or x-ray) one. ...
5
votes
4answers
206 views

How can I reduce the effect of sodium vapor street lights in night photography?

I would like to light buildings at night using torches etc. How do I reduce the sodium light (street light ) that is cast on it. Can I reduce it with a filter and if so which one?
2
votes
3answers
66 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 ...
5
votes
2answers
943 views

Why are red objects coming out unnaturally in my photographs?

I have observed lately during my shoots that when I try to capture a red object with hardly anything in the background, the color doesnt seem to come exactly as what it is in reality. With flash or ...
4
votes
2answers
209 views

Color film comparison: How does Fujifilm Superia compare to Kodak Portra?

I am a newbie to color analog photography. So far I have only use B&W films. Specifically, I prefer Ilford Delta 400, Kodak Tri-X and Ilford 3200. My camera is Pentax ME Super. I am on the big ...
5
votes
4answers
195 views

What is the difference or relation between a Color Model and a Color Space?

What is the exact relation or difference between a color model and a color space? I find these two terms to be used interchangeably in some literature. Are they simply the same? Thanks!
1
vote
0answers
139 views

Canon 6d color noise (and compared to 50d)

my first day with 6D, upgraded form 50D. Wouldn't be pixel peeping but something unusual caught my eye when I opened photos in Lightroom this morning. The color noise pattern is completely different ...
1
vote
2answers
79 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 ...
3
votes
5answers
266 views

Why do my Nikon NEF raw files come out with a green tint when converted with Nikon or Adobe software?

I have a Nikon D5100 and I have converted my NEF files to JPEG using the Nikon software "NEFCDC". The pictures got converted, however, they developed a green tint in them. Please help me out ...
9
votes
4answers
1k views

Why are gels used for digital photography?

What is the purpose of color-adjusting light sources with gels in digital photography? Are they reserved exclusively for scenarios in which one wants different colors from different lights? I assume ...
2
votes
1answer
71 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 ...
4
votes
2answers
752 views

How to properly color calibrate a 27 inch iMac monitor (OS X Mavericks)?

We have a 27" iMac monitor and want to know how to color calibrate it (and with what recommended product) We are looking for someone who has actually done this.
4
votes
4answers
3k views

Why is wrong color coming out of my Rebel T3i?

I'm not a professional at all but bought a Canon Rebel T3i to capture life's moments. The color of my shots are way far off; ie., my sons navy blue and white baseball uniform comes out bright green ...
5
votes
2answers
226 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 ...
12
votes
8answers
614 views

How to set tint if one is colour blind?

How should someone with red-green deficiency in colour vision set tint in Lightroom or other post-processing tools?? Are there any external tools (other than asking someone) that say whether white ...
68
votes
6answers
12k views

Do fluorescent lighting and shutter speed create a problem with color cast?

I took a bunch of photos at my son's martial arts club using a D90 with a 50mm F1.8. The club is lit with overhead fluorescent lighting, and I was getting some weird results where some shots are ...
2
votes
0answers
69 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 ...
10
votes
3answers
3k views

What is the difference between black and white film and color film?

What is the difference between black and white film and color film? How does color film record color? Is it like black and white film with something more, or is it entirely different?
9
votes
5answers
1k views

What's the difference between colour space and bit depth?

I know that there are different types of colour space and that sRGB is the most common. Bit depth defines the variations of a colour channel, where (I think) 8 and/or 16 bits are the most common. ...
3
votes
1answer
151 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 ...
4
votes
4answers
84 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 ...
0
votes
0answers
42 views

How to create different color effects with gimp? [duplicate]

How can I make images look like those in Gimp, how can I play with colors? What tools or approach should I take?
7
votes
4answers
9k views

Does Gimp have a Match Color function similar to that in Adobe Photoshop?

In a recent question, Steve Ross points out that Adobe Photoshop has a useful feature for matching color between photographs. Of course, color adjustment can be accomplished in Gimp with careful use ...
1
vote
2answers
183 views

Embedded jpegs in NEF raw files

I open a .NEF image from my Nikon D80 in the Windows Photos app (the modern/"metro" style app). I then zoom in, and it re-renders or something to display higher resolution, but the colours become less ...
17
votes
2answers
818 views

Why do I see this yellow color shift at high ISOs and fast shutter speeds? [duplicate]

I recently purchased a full-frame DSLR with a reported highest ISO of 204,800. I’m intrigued by the possibilities of the high ISO range and how far Lightroom and Aperture (I use each of them) can ...
4
votes
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 ...
5
votes
3answers
1k views

RAWs looking massively different in Aperture/Mac OS Preview compared to camera preview and (Canon) PictureStyleEditor

Yesterday, I have been shooting photos at a christmas market -- especially a band that played there. Since everything happened in the evening and it was quite dark, I thought using RAW instead of JPEG ...
22
votes
4answers
1k views

Is the Zone System useful with a DSLR?

The Zone System was originally used with B&W film photography. With colour digital photography, though, couldn't you get much the same results by keeping an eye on the histogram? I think I might ...
15
votes
3answers
935 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 ...
4
votes
3answers
577 views

How can I capture the true colors of my reef aquarium?

I have a canon EOS T4i with stock EF-S 18-135mm f/3.5-5.6 IS STM lens, a Rokinon 35mm f/1.4 Lens, and a Sigma 150-500mm f/5-6.3 DG OS HSM APO lens. I'm trying to photograph the various corals in my ...
1
vote
2answers
253 views

How can I whiten my background, without whitening the subject or modifying subject colours?

If I take portraits against a white background I like to use a colorchecker passport to ensure that my subjects come out at the end of my workflow looking 'true to life'. The problem is that due to ...
24
votes
7answers
2k views

Why are there no dark yellows, or bright violets?

In his book The Photographer's Eye, photographer and author Michael Freeman says: Another consideration is relative brightness. Different hues are perceived as having different light values, with ...
2
votes
3answers
255 views

How can I get the colors right in this indoor architectural photo?

I am trying to take a photo with precise colors. I am not sure what am I missing so I could get similar colors. Here is the result that I would like to achieve: ) This is the photo that I took: ...
10
votes
1answer
423 views

What special properties does 18% gray color have in photography? [duplicate]

I keep seeing 18% gray color backgrounds being used in different areas of photography. What's special about it, why 18% and not 17 or 19?
0
votes
2answers
58 views

Display Color profiles: changing only yellow

How should I set parameters of color profile to change only yellow color output (right now I've got #FFFF00 displayed as #B4B400). Other colors must be left untouched. So I cannot just move Red and ...
17
votes
10answers
14k views

What is the best background color to use when displaying images?

A group of people and I are creating scientific posters for a conference. The posters will be displaying multiple 5x7 photos. There is minimal text on the poster. With that being said, what ...
2
votes
3answers
202 views

Do colors in photographs depend on ambient temperature?

My friend, previously a photographer, said that if you are taking photos in cold weather the photo is more blue (as if a slight blue filter has been applied). Inversely, taking photos when it is warm ...
3
votes
1answer
640 views

In photoshop cs5 the color of my image changes when I enter full screen mode, how do I fix it?

I am working in PScs5 on a EIZO color edge monitor. When I open my image photoshop displays all of the colors fine. When I change to full frame viewing, the image color becomes very muted and washed ...
-2
votes
1answer
127 views

What kind of filters might have been applied to these photos?

Neither of these is mine (obviously, since I'm asking), but I see both effects quite frequently as of late. I'm trying to figure out the nature of them. Can anyone make a guess as to what kind of ...
7
votes
5answers
1k views

Do colors always come out bland when shooting in RAW format?

I shoot all my pictures in RAW format and every time during post processing I need to tinker with the saturation because the color comes out bland. I do realize that changing camera saturation level ...
9
votes
4answers
11k views

What is the difference between halftoning and dithering?

As I understand it, halftoning is the process of taking an image with a given color range (as defined by the colorspace) and blending the colors to form an image with a smaller range of colors. How ...
14
votes
1answer
446 views

Why do pictures of fire come out purple?

When I'm taking pictures of my log fire the flames and embers come out in rich shades of purple rather than red. I've tweaked everything I can on my camera; white balance, metering, ISO, exposure, but ...
0
votes
6answers
187 views

Does the subject's face have too much red tint?

I took the attached picture with an iPhone 4, outside around 5pm, which was close to sunset. Does the subject's face have too much red tint? If yes, how would I fix this?
4
votes
3answers
416 views

How can I improve the dull colors in my product photography?

I try to shoot some pictures of apparel, lingerie, cometics on a white fluffy rag or a white paper board with a Canon EOS Rebel T2i + a Canon - Speedlite 270EX II External Flash on a tripod in day ...
2
votes
6answers
520 views

How does the gray level in a target impact the true color after calibration

I'm trying to learn how to take photos that are color accurate. I'm testing on a newly painted wall in my kitchen, and has a biege paint with some green tone. ...
13
votes
5answers
3k views

What is the major factor that makes colors in photos very vivid?

Once you have a good enough camera, what are the other major factors that makes some of the photo very vivid? For example, looking at the following picture, the colors are vivid. If I take the same ...
1
vote
3answers
261 views

How does the spectral sensitivity of different sensors affect the resulting photo?

I am learning about light and color formation but I don't understand how does the sensitivity affects an image. Take for instance the different sensitivities for two "cameras" for each RGB channel ...
4
votes
4answers
341 views

How does low-light conditions affect color quality?

I recently photographed an event that took place while the sun was setting. The quality of colors seem to deteriorate as it gets darker. The scenes were well-exposed as the ISO changed from ~1200 to ...
3
votes
2answers
1k views

What color calibration device works best with a Dell U2711?

I have a Dell U2711 that I use for color critical work. I am wondering if anyone out there has tested multiple color correction devices and come up with a best use option for photoshop and working in ...