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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The meaning of Y in sRGB color space

In the definition of sRGB color space, https://en.wikipedia.org/wiki/SRGB Is the Y relative luminance in the above table? What does the value of Y equal to 1 for white point mean? The chromaticity ...
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Would spectral responses of camera pixels be more "raw", more compact and superior to ICC/DCP camera color profiles? If not, why not?

Background: I'm trying to understand the function of camera color profiles (for raw output) in terms of the hardware. I have found lots of web sites that explain the function of camera profiles from a ...
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Major color banding on some photos - Pentax k1 mark ii

I have been in Kenya shooting some properties and staff portraits for 2 weeks. Everything has been working as normal until yesterday when I imported my photos from the day and discovered some major ...
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What is Lightroom order of color operation?

Lightroom has several panels to adjust color in your image, what's great, but I am really interested in what Lightroom does behind it. I am curious if Lightroom has a certain order / priority for ...
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Coloring Eyebrows in Lightroom CC without Photoshop

I use Lightroom CC (not classic), and my model has requested to change the color of her eyebrows to match her hair colors. No problem, I thought, I could just mask out the blacks in her eyebrows using ...
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-1 votes
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Why do the colours on this picture look nice?

I don't know anything about photography so forgive my question. I was looking at this particular video clip on youtube and I just really liked the colours. Can anyone explain why? What's this effect ...
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238 views

Why did my developed photos come out discoloured and grainy?

I recently had some film developed on my Pentax K1000 for the first time and my photos came out very strange. I’ve scoured the internet to find similar film photos to figure out why mine came out like ...
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How to correct colour from flash (shooting instant colour photograms)

Not sure if this is quite the right place to post this, as it might also link to colour theory, but I hope someone can help. I have been shooting colour instant photograms using a new back from ...
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How to match color range in two photos when colorizing (hue, saturation)?

Consider two outdoors photos taken with different cameras and different cities. You want to include both in the same photo series and therefore need to re-touch them with identical color profiles and ...
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RawTherapee/ART: How to match these warm colors from the embedded JPEG?

I've been using RawTherapee (and then its fork, ART) for several months, and overall I have been quite satisfied with it. However, there are a handful of scenarios where I'm struggling to achieve the ...
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Why only the right hand of the woman is green and different to her skin colour in other parts?

I am wondering how the woman's writing hand is oddly coloured and so much greener than her tint tone on the other hand? Does it have to do with the circuit boards around her writing hand or the ...
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Image Color Scheme getting faded when opening with MSPaint

I have the following image (have put a screen-grab of the image as its size is more than 2 MB - the original can be downloaded from https://drive.google.com/file/d/1rC2QQBzMhZ8AG5Lp5PyrpkOxwlyP9QaE/...
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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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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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3 answers
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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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9 votes
6 answers
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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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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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2 answers
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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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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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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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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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1 vote
2 answers
852 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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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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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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13 votes
5 answers
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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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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1 vote
4 answers
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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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4 votes
2 answers
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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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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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3 votes
4 answers
146 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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2 votes
1 answer
175 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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3 answers
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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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1 answer
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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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15 votes
5 answers
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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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19 votes
4 answers
6k views

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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4 votes
3 answers
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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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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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7 votes
3 answers
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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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2 votes
3 answers
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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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2 votes
3 answers
326 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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4 votes
2 answers
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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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2 votes
2 answers
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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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0 votes
3 answers
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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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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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3 votes
2 answers
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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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1 answer
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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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3 votes
2 answers
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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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2 votes
1 answer
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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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2 answers
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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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