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.
3
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1answer
301 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
91 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 ...
9
votes
4answers
669 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 ...
5
votes
2answers
13k 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
1answer
123 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 ...
3
votes
4answers
117 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 ...
6
votes
6answers
2k views
How do pros manage to make the color green so bright in their nature photographs?
I am an amateur photographer, I had a question how do professional photographers manage to make the green color so bright in their images.
For example:
...
4
votes
3answers
759 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 ...
1
vote
1answer
147 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?
5
votes
0answers
46 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? ...
15
votes
5answers
11k 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 ...
2
votes
3answers
153 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
vote
2answers
125 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
94 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 ...
6
votes
1answer
143 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 ...
11
votes
4answers
311 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 ...
1
vote
4answers
166 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 ...
14
votes
3answers
1k 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 ...
1
vote
5answers
120 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. ...
9
votes
8answers
9k views
Why is Aperture changing the color of my RAW photos?
For some strange reason, Aperture 3 seems to shift the colors of the raw images, after importing them.
For example, the reds become washed out and something not red. In the following example, the red ...
60
votes
5answers
8k 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
2answers
127 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 ...
7
votes
3answers
360 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
175 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 ...
0
votes
4answers
370 views
What color system best differentiates Yellow/Red/Black? [closed]
I'm working on a image processing system to segment three different types of pixels that are more or less Yellow/Red/Black.
Now my question - which I though it's best to be asked here - is that which ...
1
vote
1answer
396 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
241 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 ...
8
votes
3answers
268 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
2answers
403 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
239 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 ...
5
votes
4answers
4k views
Does Gimp have a Match Color function similar to that in Adobe Photoshop CS3+?
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 ...
6
votes
6answers
772 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 ...
8
votes
3answers
2k 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?
1
vote
2answers
543 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 ...
19
votes
7answers
1k 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 ...
1
vote
2answers
119 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 ...
3
votes
4answers
607 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
78 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
5k 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
5answers
968 views
How do I achieve a vintage photo effect in Photoshop?
How can I achieve this vintage color tone in Photoshop?
Photo link
4
votes
2answers
208 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 ...
20
votes
2answers
3k views
What do Hue, Chroma, Saturation, Value, Tones, Tints, Shade, etc. mean?
I've read several online tutorials about color theory but I'm still confused about how to "visually" catch color concepts and use them efficiently. The only thing I seem to understand is "hue" which ...
3
votes
3answers
404 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
263 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
323 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.?
15
votes
4answers
4k 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
71 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 ...
8
votes
4answers
2k 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?
1
vote
1answer
324 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 ...
0
votes
0answers
21 views
Software to deal with varying display settings? [duplicate]
Possible Duplicate:
What software shows the most accurate version of a photograph for web viewing?
I like polishing pictures up in photoshop after the shots are done, and that includes ...
