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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)

3
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1answer
217 views

What's an easy way to batch assign (not convert) an ICC profile to .JPG and .CR2 Canon RAW files?

All of the files that comes out of my camera (Canon Rebel T3i) are not assigned a colorspace. Instead, all files the format IMG_XXXX.JPG/CR2 are implied sRGB and _MG_XXXX.JPG/CR2 are implied Adobe RGB ...
2
votes
1answer
208 views

multiple pictures give different shades for same scene and lighting

I am photographing an object 4 cm away from the camera using 5MP phone camera. It is being used in macro mode with fixed ISO 100 setting. Automatic White balance is being used along with ...
11
votes
4answers
906 views

Why does the red area in this photo look very un-natural?

I was looking through some photos I took at RAF Cosford a few weeks ago, and noticed this big red area (it's a large door surround on the floor below) In the photoshop RAW preview, it looked almost ...
3
votes
4answers
357 views

How does one do light painting with in focus subject? Maybe a composite?

I understand and have tried some rudimentary light painting, but I'm still not sure how one might achieve something like the photos here: http://www.modelmayhem.com/portfolio/pic/18221422 Is this ...
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1answer
798 views

Can Canon Rebel T4I take black and white photos with color accents?

Can A Canon Rebel T4I shoot B&W pictures with color accents, as you see in some pictures where only one thing has color?
4
votes
1answer
158 views

Why can my old Epson dye printer produce accurate reds but my professional lab can't?

My professional print lab uses a high-end Fuji Frontier machine with its own profile that the customer downloads. The prints are of exceptional quality, except for the colour gamut, particularly with ...
5
votes
0answers
48 views

How does lens design affect the richness of color reproduction? [duplicate]

Comparing a kit zoom lens to a faster, 20-year-old prime it seems like the old lens produces richer, warmer color. I've noticed the same kind of comparisons elsewhere. What is the lens actually doing? ...
1
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2answers
413 views

What does it mean when an RGB histogram and luminance histogram look similar?

What does it mean when both RGB histogram and luminance histogram look similar? Please explain in detali.
-1
votes
1answer
210 views

strong colour photo compositions [closed]

How do you take photographs with strong colour compositions? I have a canon 60D and Im a learner. Do you have any tips / best practices you could share? I would like to take pictures like the ones on ...
7
votes
1answer
369 views

What is Colour Rendering Index (CRI)?

From this answer on white balancing a LED light I understood there's a thing called Colour Rendering Index (CRI). I understand it has something to do with how well lights reproduce the sun's colour ...
2
votes
3answers
260 views

What are techniques for enhancing visibility of photos under natural, outdoor daylight?

I'm trying to find techniques for making photos more visible under daylight (i.e., when daylight reflects off the photo displayed on a screen or print). Does anyone know of any photo editing ...
1
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4answers
208 views

Why are these lights all different colours and how can I correct them?

I occasionally take panoramic city photos and I've noticed that certain sections of the cities have a lot of different coloured lights. What causes these different lights? Some of these appear to be ...
2
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6answers
560 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. ...
-2
votes
2answers
219 views

Blend colors evenly (dissolve-like) in Photoshop [closed]

Is it possible to blend 2 pictures using similar technique like dissolve but more precisely? I need to mix sources evenly - 1 pixel from the top layer second pixel from bottom layer etc. I work with ...
9
votes
4answers
1k views

Are there written guides or rules of thumb for setting color saturation, clarity, vibrance, etc. in post-processing (or in general)?

This isn't another "how do I get a picture to look like such-and-such-link-inserted-here in LR" question. There's a saturation (no pun intended) of these questions here. Interesting, but not general ...
4
votes
3answers
269 views

How can I avoid a blue sheen on red objects?

I have taken a few images of (Very) red objects recently, under both flash and natural light separately, and seem to be getting a subtle, but annoying blue sheen, which is not apparent to the eye. No ...
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 ...
4
votes
2answers
446 views

Why do I have a purple tint on black lines on white backround?

I've taken this picture with a Nikon D3200 using the 50mm 1.8 lens. It contains bulbs hanging from lines stretched across two structures with a building and some sky in the background. At the top of ...
3
votes
1answer
673 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 ...
8
votes
3answers
358 views

How did Matt Grum color correct the images in “Why is the Fluorescent filter for a flash green?”?

I saw in another question - "Why is the Fluorescent filter for a flash green?" - that Matt Grum had amazingly color corrected two images and would love to know how. Of course, all are invited to ...
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 ...
5
votes
2answers
604 views

How does fading light affect color vision?

It's well known that the cones in retina are unable to distinguish colors in dark, leaving us only the monochrome softer vision provided by rods. And personal experience tells this "switch" to ...
7
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6answers
3k views

How does aperture size or shutter speed affect color temperature?

With all other parameters assumed constant, does aperture size or duration of exposure have any effect on the resulting color warmth or vividness? (Even slightly.) While answering please also ...
1
vote
2answers
1k views

Why isn't color from my Canon 550D up to my expectations?

I am using a Canon 550D and I am not satisfied with the image quality that it offers. By image quality I am specifically concerned with a general feeling of better color. I have used different lenses ...
1
vote
2answers
192 views

How do I find the absolute color of someone's eyes in a photograph?

The color of my eyes is between green and blue. I've always been curious if it's more blue or more green. People's opinions are of course different, so I would like to find it out scientifically. How ...
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 ...
0
votes
1answer
91 views

Color issue - Previews in Bridge are way different than outputted PDF

I am generally able to modify files xmp data for white balance/exposure, then output from bridge as a contact sheet without any issues. I've switched to a different MacPro and upgraded to Mountain ...
21
votes
2answers
6k views

How do I get good colors when taking pictures in the city at night?

I'm very interested in doing night time shootings. I'm using Canon 5d3 with 85mm at f/1.2, and at iso 2000 I'm able to get exposure times around 1/150s-1/200s. However, the lighting in my city ...
3
votes
3answers
1k views

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
votes
2answers
374 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
votes
3answers
752 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.?
4
votes
2answers
389 views

Why am I getting a cyan cast on Epson Claria printer only in the highest-res print mode?

I use an Epson R260 (Claria 6-color dye) printer with a continuous ink system supplied by Echostore.com for proofing. I use generic storebrand Staples photopaper for this. It's not super-white; it ...
2
votes
1answer
117 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 ...
1
vote
1answer
602 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
votes
3answers
402 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 ...
11
votes
4answers
401 views

What are ways of improving aerial photos?

When taking photos from a plane, what are ways of improving the quality of your photos? I've noticed two main issues: When photographing through the plane window, you'll often get reflection and ...
7
votes
4answers
385 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
votes
1answer
407 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
votes
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
votes
2answers
600 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 ...
5
votes
3answers
1k views

Does a high ISO generally result in bad dynamic range and less accurate color?

I have a Pentax K-x. I've had it set on "auto ISO up to 6400" for a while now, and I'm starting to wonder if this is making my images worse. Honestly I don't trust myself to tell. Does a high ISO ...
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 ...
6
votes
3answers
316 views

How can I avoid or correct the “inverse Ageratum effect” in digital photography?

I was used to the ageratum effect with film cameras: as the red pigment on film is much more sensitive to IR than the humman eye, some flowers (such as the ageratum) appear pink in a photograph while ...
1
vote
1answer
202 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?
5
votes
1answer
591 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 ...
3
votes
3answers
429 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
516 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?
2
votes
1answer
226 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
votes
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 ...