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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.

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37 views

lightroom or my computer breaks the photo?

Hi I have nikon D90 and I see those color breaks on my photo (not on the camera on the websites and my computer. I tried with my iphone same thing happened what should I do? at the photo below you ...
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2answers
83 views

Do some colors appear more sensitive to chrominance perceived than others?

I'm interested in comparing the camera readable chrominance change to what a person can actually see. Are there any colors that result in a physical / measurable change in chrominance, but are ...
7
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7answers
2k views

What would happen if a camera used entirely different primary colors?

So, as many people know, humans have three cones cells, enabling us to see three distinct "primary" colors, which may combine to form the entire spectrum that we are capable of seeing. Meanwhile, many ...
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2answers
386 views

Why do the thumbnails for grayscale images show up in color in Windows Explorer?

I have some images from a Nikon SLR that I have converted to grayscale, however the thumbnails in Windows Explorer are in color. Is the thumbnail information stored in the file header, or is the color ...
2
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4answers
171 views

Pictures of a dark violet flower appear light blue. Is this a lens or a technique problem?

I just got this Tamron AF 70-300mm 4-5,6 Di LD Macro 1:2 for my Canon 500D. I tested it yesterday and it works fine. Only one problem: I took pictures of a flower which is dark violet. But when I ...
75
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8answers
22k 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 "...
0
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2answers
84 views

On iOS, why would one want to pick a 'video' pixel format (16-235) over a 'full' format (0-255)?

Take a look at this screencap from this year's WWDC session 501 "Advances in iOS photography". As an app developer, you can tell the camera subsystem to either use the 'video' pixel format or the '...
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6answers
12k views

How can I take selective color pictures with my Canon T1i?

I want to select a certain color using my camera so only that will be recorded as color, with all the rest in gray- or b/w-scale. Meaning, only one color and its shades appear colored, and rest is b/w....
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7answers
228 views

What is the actual color space of film in film photography?

I have been thinking about this question for a while now, and I haven't found an answer online. Modern technology (scanners, screens, digital cameras, printers...) use technical color spaces to ...
3
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1answer
327 views

Is there a name for the style of putting a strong color gradient over a photograph?

A common trend I'm seeing a lot of is to put a strong color gradient over a photograph to create an attractive background. I'm not talking about slight color tweaks that instagram does, but instead ...
2
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1answer
3k 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 ...
19
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4answers
3k views

How do I shoot birds against the sky to be faithful to their colour?

I have a Nikon D5300, and a host of hawks flying around near where I live. I have two lenses: an AF-S Nikkor 18-55mm VR (1:3.5-5.6GII), and an AF Nikkor 70-300mm (1:4-5.6G). The latter is excellent ...
3
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2answers
625 views

How can I emulate 50's and 60's aircraft photos using film today?

I started playing with analog photography about a year ago. I find it really interesting, especially the choices of films that change the colors and feeling of the pictures so much. One kind of ...
7
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5answers
884 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?
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7answers
5k 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 ...
4
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3answers
112 views

What determines whether chromatic aberration will be purple/green or red/cyan?

In my experience, both with my own photography and looking online, chromatic aberration is usually purple on one end and green on the other. However, I have also seen the same effect with red and cyan,...
3
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5answers
519 views

How can I change contrast within a single colour?

What techniques can be used to change the perceived contrast within a single colour only, in post processing? For example, how can I change the contrast of the blues to affect the sky, or the green ...
0
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0answers
58 views

Camera degradation over time in mobile phones

I am working on the concept that the color reproduction property of a camera in a mobile phone can shift over time as compared to what it used to be in a newly bought phone. So, came with some doubts: ...
1
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1answer
110 views

Full well capacity

As I understood, the full well capacity is the maximum number of charges(photoelectrons) that can be stored in a pixel before a leakage to adjacent pixels and causing problems like blooming. In some ...
17
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8answers
1k views

Is there any point in photographing directly to black & white? [duplicate]

As opposed to photographing in colour, then having all the freedom to edit it afterwards?
0
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1answer
253 views

How can I batch save images with reduced colors in Photoshop? [closed]

I'm trying to record and run a macro in Photoshop that saves images as PNG with just 8 colors. Recording the macro, I save for web, select the options I want, and hit save. But when I play back the ...
3
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3answers
243 views

What's the difference between LED and conventional lighting?

Is there any difference in LED lighting vs bulb lighting or any other lighting? Someone said that the LED light doesn't have the full spectrum of light. Is that a problem?
4
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5answers
10k 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 ...
16
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4answers
3k views

Are RGB numeric values equal to CMYK percentages?

are RGB numeric values equal to CMYK percentages?
7
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3answers
940 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 ...
4
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1answer
708 views

How to invert color negative “scan” via DSLR without clipping the red channel?

I am trying to convert color negatives into positives and struggling with removing the orange mask and getting usable colour after inverting. It seems that I constantly clip the red channel no ...
2
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2answers
110 views

How do I fade colour in some areas of a photo with Photoshop?

I have photos of biological tissue samples (the attached photo is not mine, it is just an example), which were stained with dye. Because of the nature of the tissue, the staining is uneven (some areas ...
1
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1answer
44 views

Vintage Photo Printing

I have some old color (C-prints?) photographs that were printed in the 80's which are quite faded. I would like to have them reprinted but would like to have them printed on the same paper as they ...
3
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3answers
252 views

Why are the color spaces we have access to incomplete?

The question, then: If all colors are combinations of red, green and blue, and my monitor's pixels use all three, why is its color space limited to so small a portion of the actual complete color ...
0
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2answers
85 views

Taking pictures of rugs for online use

I work for a rug manufacturer in the same office as the photographers for our online sales. They take all photos of rugs in house. They have a tremendous amount of post processing that has to be done ...
0
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2answers
105 views

How can I fix this purple spot in my photo?

As you can see, the peach has a purple spot. I don't know what happened. The light is from the right side. I guess that's the place where the light reflected into the lens. Is there anyway I can ...
2
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3answers
757 views

What would cause a green color shift in the same photo between my Mac and my iPhone?

I just finished editing a picture and saved it in JPG on my Mac, which look perfectly fine. I sent it to my iPhone and the color completely shifted and look dull. I was wondering what could make such ...
35
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3answers
2k views

Should changing the shutter speed affect the moon's color?

I just took two moon photos: one at shutter speed= 1/400 and the other at 1/200. Both @200mm, f/8, 100 ISO I can understand with a higher shutter speed less light will enter into camera sensor, ...
1
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2answers
128 views

Why would an orange spark appear blue in a video?

I was testing spark generation on my car's ignition system at night and recorded the sparks on my Lenovo S856 cell phone. However while taking the video I noticed that the spark which appeared orange ...
1
vote
3answers
102 views

Any way of achieving accurate color saturation?

There have been multiple times when capturing a landscape where the images I took look really unsaturated. Yeah, I can boost the saturation, but I don't want to accidentally make the photo look ...
4
votes
2answers
313 views
1
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1answer
111 views

How do I create a mask to select only a particular color in Photoshop?

I have a project I'm working on where I'm taking photos of a bunch of cards / posters that are all in grayscale and have to get only the black portions from each of these photos. I know I could use ...
16
votes
7answers
2k views

Why don't color spaces use up the entire color spectrum?

Take a look at the CIE 1931 chromaticity diagram shown with the sRGB color space gamut. Why are certain colors intentionally left out of color spaces, like you see below? Why not just include all the ...
2
votes
1answer
104 views

Why does my white picture have a blue hue?

I took this picture in a soft box illuminated by three 5000k 10 watt LED flood lights (one on each side and a third on top) I'm using a Samsung Galaxy S5 to take the picture, ISO 100 and Matrix ...
2
votes
2answers
190 views

Can an amateur significantly improve colour on a factory-calibrated monitor (like the Dell U2414H)?

I'm mostly happy with my new IPS U2414H, but comparing it side-by-side with my beloved old CRT, I can see that the colours are not quite as good on the U2414H. It has less life-like skin tones, ...
8
votes
1answer
108 views

Who publishes standardized camera specs?

Is there any online resource that provides camera specs that adhere to ISO standards? ISO has published many standards for camera specs: Tonal response ISO 14524:2009: Methods for measuring opto-...
6
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3answers
38k 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 http://air-we-...
5
votes
4answers
1k views

What do I need to photograph paintings with accurate color? [duplicate]

I need to photograph paintings, and also small details of paintings. Color accuracy is extremely important. Previous experience (not recent, however) with digital photography showed color divergences ...
9
votes
4answers
764 views

Is there a specific color temperature to film?

Recently, I was taking some pictures of the snow using Kodak Gold (I believe) 200 and Fuji Superia 200. When I got them developed, I noticed that the Kodak had a "warmer" feel to them than the Fuji, ...
31
votes
5answers
5k views

How does Kelvin for color temperature relate to Kelvin for actual temperature?

Color doesn't have actual temperature. Try putting a blue square and a red square up on your monitor and hold a thermometer against both regions. If you find that there's a difference, you're doing it ...
0
votes
2answers
60 views

How to adjust HSL values on specific areas of photo using adjustment brush in Lightroom and Camera Raw?

How to adjust HSL values on specific areas of photo using adjustment brush in Lightroom and Camera Raw. We can see slider control for temp, tint, exposure... But couldn't control the HSL values. ...
9
votes
3answers
914 views

What is the difference between “color” and “tones”? [duplicate]

I am working through the Teach Yourself Photoshop book. I opened up a NEF file in Adobe Camera Raw. In the text it says: By shooting in raw you capture more information about the colors and ...
7
votes
3answers
229 views

Editing photos for this “milky” and “twinkly,” vivid but nostalgic effect?

I can't really find questions about this style of photography I see a lot, anywhere on the Internet, but I think it's very beautiful and enchanting. It seems both vivid and faded at the same time (at ...
2
votes
3answers
177 views

What's the best method to change colours in a photo to another specific color?

What is the best way to change the colours in a photo to a specific colour? Specifically, how can we change the colours using Curves or Levels Layer? Here are few examples for understanding: orange ...
0
votes
2answers
90 views

Is there a 120 film with cool colors?

Does anyone know of some 120 film models that yield cool colors? I'm not looking for super saturated films or weird toy films by Lomography. I'm looking for very cinematic colors. Most likely vintage. ...