Questions tagged [color]

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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3answers
117 views

Capturing then printing color-accurate images

I want to take photos of a few surfaces (wood floors, bricks, etc.) then print them, matching the colors of the actual object (in whatever the lighting conditions are at the moment) as closely as I am ...
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1answer
230 views

Is it true that Canon sensors have half the number of colors than Nikon, Fujifilm or Sony sensors?

Is it true that Canon sensors have half the number of colors than Nikon, Fujifilm or Sony sensors? I read this on Quora.
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Does colour mixing work with other sets of three colours?

Fellow photographers and I were discussing how to create a positive colour image by overlaying three film BW negatives/positives that were shot using the trichrome process, using three colour filters ...
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Quick Whitepoint-based Calculation

I have an LED device that shines exactly one color. I know the RGB of that color, it's rgb(190, 215, 255) on a color-calibrated monitor. I have several other LED devices I'd like to display the same ...
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Should I shoot color or black and white 35mm film to learn photography fundamentals?

I want to practice composition, or the basics of photography in reality. From what I've read, some people say shoot color, or only shoot black and white to learn composition right. From my personal ...
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1answer
197 views

Why color-wheel websites (Adobe...) claim these colors are complementary

I just learn about the different color harmony styles models, and I was playing with Adobe color wheel website using the complementary style, but I'm realizing that the proposed colors are not really ...
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2answers
1k views

Pictures uploaded to Facebook display wrong colors, but only in Firefox

I've noticed on several occasions that the colors of my photos are slightly off when uploaded to Facebook. But I noticed this apparently is only in Firefox. Take this photo, for example: https://www....
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125 views

Times when I don't want auto color correction or auto white point setting

There are times when I have taken pictures in a forest on a sunny day, and the light filtering through the leaves provides a nice green cast that I want to preserve. However, my Nikon Coolpix S9900 ...
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1answer
146 views

Can you match color levels of semi-overlapping layers in GIMP using a single pixel color?

I am putting together fluorescent images taken on a microscope. I have taken sequential images that overlap for anywhere between 20 - 50 pixels at the edges. I have set up grids so that I have perfect ...
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1answer
156 views

What's the point of scanning family photos at a higher resolution for later enlargement other than restoration?

I have a question about an answer on Genealogy & Family History Stack Exchange. According to this blog post found at the Library of Congress: You can scan [photos] at a higher resolution [I'm ...
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1answer
590 views

sRGB mode a necessary for monitors?

I was wondering. If there's no dedicated sRGB mode on a monitor, can you still calibrate it to an sRGB color gamut for photo and video color grading? I am referring to the Cooler Master GM34CW with 95%...
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148 views

Nikon D800 color cast

I take pictures with my Nikon D3 for almost a decade now. I recently got a used D800 and I dont like how the colors turn out on some images. They seem to have a slight color cast. Look at the ...
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1answer
288 views

Can a horse look purple (ish)?

It looks a bit Photoshoppy to me, but I am willing to give the OP the benefit of the doubt. According to the original post, (here) this horse is a some mutated roan. I would like to know if this ...
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5answers
2k views

Why does flash make a brass subject look grey?

I wanted to take a photo of some items I'd turned on a lathe, and lined them up. Photo was taken with an older samsung android phone, so absolutely nothing fancy. There are no filters enabled, the ...
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2answers
474 views

MacBook Pro - Which color profile is more realistic and like life?

On the MacBook Pro, which color profile is more realistic and life like? Color LCD or SMPTE RP 431-2-2007 DCI (P3)?
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4answers
333 views

Why do typical imaging sensor colour filter spectral responses differ so much from the human eye spectral response?

It is commonly stated that the spectral response of RGB colour imaging sensors (CIS) is chosen to match that of the human eye. While this is roughly true, when you examine this claim in detail it is ...
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944 views

Is it advisable to edit photos during the night?

I recently found myself to not have much time editing photos during the day (which I usually do), so I considered doing it during the night. However, I am not quite sure if it should be done. Here are ...
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182 views

Reduced color gamut on outdoor video with Canon EOS RP

I am trying a new DSLR camera for shooting video. I set white balance to automatic and the result seems to have a poor color gamut compared to either a Nikon DSLR shot outside or to the Canon shot ...
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4answers
139 views

What distinguishes natural photos from filtered ones (color theory)?

I have implemented a filter which makes use of RGB color space plus some transformation functions. This filter can be seen here in action. The natural image is obvious to me. // Natural Image // ...
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1answer
130 views

Why do my colours completely fade when I merge layers or export to jpeg?

I’ve been working on a colourful image but when I export it to jpeg, the colours are almost gone. Sure, I understand saving in jpeg can lead to change in colour but.. this is the most massive loss of ...
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3answers
151 views

Does light hardness affect color saturation?

I've read in couple of sources that level of hardness of light affects color saturation somehow - harder the light more saturated colors are. Is this actually true or not?
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1answer
121 views

Is there a way to equalize all the colors' brightness in Photoshop?

I want to know if there's a way to equalize the brightness of all the colors of an image. Like, I have a color image, I want to make its all colors' brightnesses the same value. Ex - H-43 S-73 B-101 ...
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5answers
7k views

Water behind ships much bluer than rest of ocean

On Wikipedia I have found the following image: The Japan Maritime Self-Defense Force (JMSDF) destroyer JDS Kongō (DDG 173) sails in formation with other JMSDF ships and ships assigned to the USS ...
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4answers
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What causes the fake colors of stars on these pictures?

About two years ago I was at a spot with a beautiful night sky with no moon so I tried to get some pictures of the sky. I wasn't well equipped back then, I had a 35mm f1.8 lens and Nikon D50. I didn't ...
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3answers
200 views

When soft proofing, why does the image change between relative and perceptual intent when there are no colours out of gamut?

My understanding is that relative intent just clips the out of gamut colours and that perceptual intent scales (compresses?) the colours to make the out of gamut colours fit. It seems to me there is ...
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2answers
223 views

Nikon DSLR - settings to compare colors

I want to compare two lenses in terms of how they render color and contrast. To do this I want to take the exact same picture with both lenses. What settings do I have to set such that the camera does ...
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352 views

Why does the NEOWISE comet appear green on my photos?

Last night, I took some pictures of the NEOWISE comet. To my surprise, the comet has a greenish colour on all of them, e.g. this one which I've enlarged a bit: (click to show the original image) When ...
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3answers
111 views

Color regrading/correction/calibration between photos for scientific color analysis using in-image palette

This question is not quite in the same vein as artistic photography but I feel that this StackExchange is best suited to answering the question. Closest questions I could find for further reading ...
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3answers
279 views

Can an RGB channel be shifted to increase color gamut into the violet range?

TL;DR: Can additive RGB color gamuts produce the perception of light that has a shorter wavelength than the Blue component? If not, does shortening the wavelength of the shortest component of a 3-...
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2answers
337 views

low element count primes render better than high element count zooms? Which image is which?

I was told that prime lenses with low element counts have the potential to produce better colors and greater contrast than lenses with many many elements inside. I was told primes mostly 'render' ...
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2answers
206 views

film recommendation for Mamiya 645 AFD, landscapes

I've recently purchased a Mamiya 645 AFD with both 80mm ƒ/2.8 and 45mm ƒ/2.8 lenses and I'm looking forward to dipping my toes in the medium format (only the pinkies could fit in my current digital ...
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97 views

Which color model to use while editing photos? RGB? Or some else?

I want to shoot few photos using smartphone. Nature, landscapes. From smartphone I will receive JPEGs, RGB. I will trasfer them to computer. Next step I will convert them to TIFFs. Next step I will ...
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2answers
1k views

Can I use “sRGB mode” or a manufacturer's ICC-profile as a poor substitute for hardware calibration?

I have no colourimeter to perform hardware calibration, but while editing some pictures I still would like to be able to get the colours appear at least slightly truthful. I know that every monitor ...
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2answers
288 views

How do you keep white balance from killing the color?

I first noticed this when I used one push white balance in Hxr-Mc2500 sitting on a fluid head. I used a piece of A4 paper for WB reference and the lighting of the incandescent bulbs became weird white ...
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1answer
113 views

Photos for blog. Color depth more than 16,7 Million color variations (24 BitsPerPixel)

I want to use photos for blog. Nature, landscapes, fitnes. I use photos which have 16,7 Million color variations (24 BitsPerPixel) now. Is it possible to use photos which have color depth more than ...
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2answers
211 views

Is cyan brighter than red?

I'm not sure if this is on topic, but here goes. Cyan in RGB is (00, FF, FF). Red (or green or blue) is this (FF, 00, 00). So this seems like if I tell my monitor to display cyan, each pixel will ...
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1answer
137 views

Output panorama shows color shift wrt input image [Hugin]

I'm using Hugin to create a panorama of a countryside vista. I have three input images to create the panorama. The three images were shot in RAW, same camera settings for all three images, and ...
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2answers
91 views

Poor man's way to determine the color of an object with filters?

I know that expensive instruments can be used to determine the color of an object, but is there a poor man's way to determine color using filters? By "determine color" I mean know the relative ...
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1answer
365 views

What technique did Scott Mutter use in his famous photomontage "Untitled (Library)", and what meaning does that approach help convey?

I really like this photo by Scott Mutter so I was want to know about the techniques used.
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4answers
534 views

Techniques and meaning in László Moholy-Nagy photo

This image below is called the Funkturm Berlin (Berlin Radio Tower) and is taken by László Moholy-Nagy. I have done so research but haven't found much. I was wanting to know the techniques used in ...
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307 views

Color negatives came out blank

I'm new to film photography and since I've started i have developed my film on my own using the Caffenol recipe. I have developed some film Rolls with success but this time the film came out ...
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1answer
407 views

Physical luminance and the CIE XYZ color space

In reading up on the XYZ color space you regularly come across something to the effect that "Y is taken as the luminance" or "relative luminance" whether it be for the XYZ color space or in xyY. I'm ...
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79 views

Color filters that correspond to Macbeth chart colors

I'm curious if anyone knows of a set of color filters that correspond to the standard Macbeth chart colors. In theory I should be able to use a filter with a transmission spectra curve identical to ...
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2answers
83 views

Color calibration for a far away target

I'm curious if anyone has any ideas of how to perform color calibration for very far targets (~ a mile or so). My concern is that the spd of the illuminant will be different at the camera so using a ...
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1answer
402 views

How to clean stains from 35mm color negative film? [duplicate]

I developed colour negative film for the first time yesterday and I have two problems. Firstly many of the pictures have these stains like circles on them and I cannot understand what caused them and ...
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1answer
120 views

How to calculate the ISO of colour negative film

I've read about the process in Kodak's publication 'Basic Photographic Sensitometry Workbook'. My understanding of the process for black and white film, using their example, is that you: Find the ...
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1answer
110 views

Why some pictures appear in Facebook with three coloured bands?

This is not a single occurrence, it's also not limited to a single user. Every now and then I see pictures like this on Facebook: And this: What went wrong here? Picture cropped for privacy ...
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2answers
113 views

How exactly does "lightness" function with regards to the chromaticity diagram?

Seeing as there isn't a colourimetry stackexchange, I'm asking here where a number of useful colourimetry topics have already been posted. A number of excellent resources exist with regards to the ...
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1answer
257 views

Why does Lightroom not have a cyan-red slider for color correction?

They have color correction sliders for yellow-blue and green-magenta but not for red-cyan, unlike in Photoshop. It is really annoying to go into Photoshop when I need to make those simple adjustments -...
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3answers
630 views

How do 35mm film scanners deal with the film base color?

I want to build a jig to scan 35mm film using my digital camera (something similar to https://www.thingiverse.com/thing:2789457 or http://www.frogymandias.org/3-d/index.html). I have seen several ...

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