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by Bart Arondson

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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)

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How does color depth differ from camera to camera?

Which is part of the camera that is responsible for color depth of the images?Is it the property of the image sensor or the image processor of camera? And why do it differ from cameras?How much effect ...
2
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2answers
369 views

Can the camera select wrong exposure just because of color?

I took two pictures of two different flowers with portrait setting. One came perfectly exposed with dark background, the other seems over exposed with brighter background. I tried it again and the ...
6
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3answers
729 views

What do the measurements for colour depth mean?

Colour depth is often referred to as being X bits. What does this mean and how does it effect a photograph? What scale is used, i.e. is it linear, exponential, logarithmic, etc.?
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4answers
7k views

Is there an equivalent to Adobe's “Vibrance” in Gimp?

See: What's the difference between saturation and vibrance in Lightroom? In a nutshell, Adobe's Vibrance is a "smart" color adjustment that increases saturation selectively, leaving skin tones ...
2
votes
1answer
115 views

What is mapped color and how to use them in astro-photography?

On some astro-photography website, I come across some incredible images with caption that says "X in mapped color" such as: http://www.rc-astro.com/photo/id1066_big.html What is mapped color? Why and ...
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4answers
4k views

How is the YCbCr color space represented in a JPEG image?

I know that a 24 bit image dedicates 8 bit each for R, G and B. Is it just for RGB color space. In YCbCr color space for a 24 bit JPEG image, how are the bits distributed?
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1answer
596 views

False colour effect in lightroom

I'm trying to do a false colour effect on my IR foto's, however I can figure out how to do a false colour by swapping Red and Blue channels. What do I have to do to get a false colour effect in ...
9
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3answers
401 views

What is the significance of the word “Color” in the names of some older lenses?

This seems closely related to How does a lens affect the saturation of a picture?. Some older lenses I've seen contain the word "Color" in the name, such as Color-Yashinon and Color-Skopar (the ...
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4answers
381 views

Is the fake “Old photo look” taking the emotion out of real ones?

I have seen a LOT of digital images processed to make them look old, i.e. faded polaroid, sun damaged, multiple exposure, light leakage etc etc... I am really starting to struggle to understand why ...
8
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1answer
403 views

Is the use of coloured lighting in industrial photography a bit… Passée?

I have been asked to do some photography around an aerospace engineering company, they make parts for planes basically. Having looked at their previous imagery stash, taken i think 2003 ish, the ...
3
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1answer
87 views

Color Management Books for Programmer [closed]

I would like to develop a color management library that converts images for display, handles color profiles, does color proofing etc. So far I found this book: Colour Management: Understanding and ...
3
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2answers
592 views

Are color and tones in this seascape fine?

Just about color and toning — is it right or could it be better? (In that case please specify Lightroom or Photoshop actions to perform.) I feel it is a bit too dark (it really seems like if there ...
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5answers
3k views

Which is better: Silver or Color Efex Pro from Nik Software?

I'd like to buy a plugin from Nik Software; which is the better plugin between Silver Efex Pro and Color Efex Pro?
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1answer
201 views

What does shot noise in color images look like?

I can find examples of shot noise in monochrome images, but I can't find any examples in color images. What does shot noise in color images look like?
4
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5answers
4k views

Do differences in color saturation across Nikon and Canon pictures matter?

I am about to buy a new DSLR and shortlisted the two models, Nikon D5100 and Canon 550D. From the pics that I have seen on Flickr it seems that Nikon pics have more saturated color than Canon. Is it ...
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1answer
572 views

How to figure out whether the colours in a photo are warm or cool, and how does that matter?

On 1x some people have said that this picture has warm colours. I wish to understand what qualifies to be a warm colour, cool colour, and how does that matter? Warm means bright? and Cool means ...
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6answers
2k views

How can knowledge of human perception of color be used in photography?

How does the human vision system perceive color, and how can/should this be taken into account when taking and post-processing photographs (both in color and in black and white)? The bit above is ...
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3answers
426 views

How can this lighting/color effect be done?

The foreground is color (although very low contrast), and the background appears to be B&W. Can this be done during shoting, or only during post-processing? I notice there is a greenish/bluish ...
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3answers
513 views

How to reproduce this dark-toned color effect?

What technique is used in this image to produce such colors? Is it just saturation and hue adjustment?
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1answer
224 views

How to boost tones preserving highlights?

I took this picture with my not so expensive camera phone. I made some post processing most of all to get vintage colors. The final result is this one The sky near the sea is blown out. This is ...
2
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2answers
2k views

Do lenses affect color fidelity?

It seems to me that my costlier (Tamron 90 f/2.8 macro) lens gives better colors than my cheap Canon 18-55 IS kit lens. So does lens matter for color quality? What physical processes are involved in ...
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 ...
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3answers
7k 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 ...
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3answers
854 views

How to make the colors of an image taken under diffuse midday light more lively?

I took some macro shots of flowers in a greenhouse. I did it around midday in January, and the ceiling of the greenhouse was matted glass, so I got very diffuse light. Even in images which are exposed ...
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2answers
342 views

How can I ensure true representation of colors on a TV screen?

I have a 55-inch Led TV that I would like to use to see my photos. How can I set the colors so that the image displayed matches as close as possible the true colors of the photo?
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2answers
202 views

Where do these “redshifts” and “blueshifts” come from?

I make many product photos for the company I work for. For this I use Canon 400D with two external flash devices Walimex CY-600K. I've noticed an interesting effect on many of the photos I take with ...
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3answers
843 views

How does color affect auto-focus?

I've noticed that the subject color seems to affect auto-focus, and am curious if I am just imagining this, or if there is a reason for it. For instance, I shoot a lot of figure skaters, and ...
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2answers
285 views

How is this lighting and colouring effect achieved?

A few days ago, I saw this picture linked here on 500px and was wondering how the coloring technique is called. On a first glance, it looks like a high key shot, but it is unusual as it has no light ...
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2answers
264 views

Why do the noon skies look nasty in these photos, and what can I do about it?

Posted for evaluation. Why is the sky so nasty? These images where shot at high noon with a polarizer. Is there a way to "clean up" the sky. Keep in mind also these have already been processed in post ...
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4answers
2k views

What sort of color correction and effects are used in this photo?

I've seen plenty of photos like this before and I've always liked them. They're usually warmer colours and they seem to have a bit of a haze to them. Photo by David Guenther What sort of post ...
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2answers
1k views

What's the best way to calibrate my wide-gamut display used with two different computer systems?

I have a Dell U2410 monitor hooked up to two computers: a Windows machine via HDMI, and my MacBook Pro (running Lion) via DisplayPort. The output from Windows is great: colours are true and text is ...
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3answers
29k views

How can I create a soft pastel tones preset in Lightroom?

Could anyone give any recommendations or links that may help me make my photos in soft, pastel tones, like photos from these albums: http://air-we-inspire.livejournal.com/102576.html ...
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1answer
711 views

Why are colors different between RAW and JPEG when both are viewed in Lightroom?

Yesterday I was shooting images of trees that were wrapped in the beautiful baby lights that stores put in holidays. I noticed, when I went back home and checked my photos, that there is a slight ...
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2answers
461 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 ...
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1answer
2k views

How is the YCbCr encoding useful for representing grayscale images?

I am curious about the YCbCr color model for representing grayscale images. Can someone provide a detailed explanation of how image data is encoded as YCbCr, when it might be used over another ...
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8answers
7k views

What's the difference between Adobe RGB and sRGB and which should I set in my camera?

In my Canon 60D, there's a setting between Adobe RGB and sRGB. What's the difference and what should I prefer when shooting to RAW ?
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2answers
899 views

How can I achieve the dramatic sky as seen in these sample images?

Below are some samples. Is this effect made with an optical filter or is it edited during post processing? In either case, what it is called? http://jpgmag.com/photos/3181099 ...
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1answer
350 views

Why are the red light and its hood in my image colored different than they were in reality?

I took this image in a train station with shutter speed 1/8 second and AV mode, the aperture was chosen to be 4.5. The problem in the colors of the spotlight in the right corner of the image. In the ...
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7answers
554 views

Which camera has low shutter latency and good color accuracy?

I'm an artist, but I'm new to photo. I've found that the most important things for me are: Capturing a moment without any thought Getting accurate color Capturing the moment usually requires a ...
7
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1answer
94 views

What affordable lights should I use for a number of large, very bright light-boxes?

I'm working on printing a number of large, very bright backlit prints. I need lots of lights that are affordable since I'll be needing quite a number of 'em. My other concern is color reproduction, ...
6
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3answers
683 views

When shooting a scene with a LCD or Plasma TV in it, is there a way to avoid a blueish tint on the screen?

I've been searching but I can't find relevant info. I'm actually filming, but figured the problem's still there in photography. I also don't know where else to ask. Does anyone know what can be done? ...
9
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4answers
3k views

Why do bright red flowers end up without details?

With our DSLR, indoor flowers come out detailed. Outdoor violet and blue flowers are detailed, too. But outdoor bright red flowers give us problems. They come out as a single flat detail-less spot. ...
2
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0answers
123 views

How can I decide to make photo B&W or leave it color? [duplicate]

Possible Duplicate: When is black and white likely to enhance an image? Are there any common photography rules to make black and white photos based on composition or other things?
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2answers
1k views

How can a sunset photo have pink and purple colors?

I was browsing, and found this gem, which has distinct hues of pink and purple. I am curious so as to how the photo has shades that it has. Was it edited later? Do such colors really occur while the ...
5
votes
2answers
1k views

Why do JPEGs only look right when exported from Lightroom in sRGB color space?

When I export RAW photos (Nikon D5000 NEF photos converted in DNG format by lightroom) as JPEG, the only way to get the same color as the original photo is by setting the sRGB color profile in the ...
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4answers
3k views

Why do my photos looked washed out when using my telephoto lens?

I own an aging Nikon D40 and recently picked up a new telephoto lens: the Nikkor 55mm-300mm f/4.5-5.6. I've noticed that when I zoom in on subjects, the color in my photos often looks washed out. Here ...
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2answers
1k views

How can I fix the color of blue photos using settings from “good” photos?

Imagine how photos with a bad blue filter look. I can recolor those pictures with the color filters from any image manipulation program like gimp. Now my question is: can I "grab" the right settings ...
5
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2answers
674 views

Colors while scanning a cross-processed film: why [not] so vivid?

In this question I am trying to understand the nature of colors in scanning cross-processed films. I've thought that I'm okay with photoshop, with subtractive and additive colors etc etc etc, but ...
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1answer
3k views

What is the function of the tint slider in Lightroom?

In Adobe Photoshop Lightroom (c) there's a Temp slider which controls the color temperature of the photo. To the left it creates a blue, cold looking image. To the right, an orange, warm image. This ...
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2answers
645 views

How do I achieve the color tone effect in this sample photo in Photoshop?

In post-processing, how do i achieve a high dynamic range, but low local contrast, monotone (but not necessarily grayscale) effect for photos? An example would be this "li river" shot, which has a ...