Skip to main content

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.

Filter by
Sorted by
Tagged with
5 votes
4 answers
2k views

Why the color is different in two pictures in similar conditions and setting?

I have two pictures taken today with my Nikon ZFC MILC + Nikkor Z 50mm 1.8S lens. The photos were shot in the morning at around 7:30, it was cloudy and raining slightly (you can see the water drops on ...
prasad_'s user avatar
  • 173
1 vote
1 answer
111 views

Can Adobe Lightroom reproduce vibrant Canon colors?

I understand that Canon cameras typically create very vibrant colors. I can observe these vibrant colors in the JPEG pictures my EOS RP and R6 creates. I can also observe these vibrant colors when I ...
juhist's user avatar
  • 6,760
0 votes
1 answer
63 views

Cameras with more than 3 color channelsa (ideally 12) and digital formatting

Apologies in advance for the superficial knowledge. I'm doing some sleuthing to help a friend who's about to do a research project and I showed him research on UV photography to find invsibile ...
Mike's user avatar
  • 103
0 votes
0 answers
26 views

Color film developing issues

There's no problem with my camera, however when I try to develop color film, my negatives are consistently very dark. I am using CineStill and following the instructions exactly, to include push times ...
Stephen's user avatar
4 votes
1 answer
200 views

How to use JPG embedded in RAW for color calibration in darktable

My camera (Canon EOS R5) does a great job with colors for the embedded JPG, but I am unable to achieve similar colors (mainly skin tones) when processing the RAW version of the image in darktable. I ...
YSN's user avatar
  • 141
0 votes
2 answers
122 views

What could cause the solid red/orange effect at the bottom of this picture?

I have observed an unusual effect in an RGB image where a portion of it appears solid color instead of displaying the intended colors (only once). Do you have any insights into what kind of effect ...
Swarup Maity's user avatar
1 vote
1 answer
339 views

RAW photos appear faded and overexposed in Lightroom Classic

In Lightroom Classic CC 12.2.1 (LR), I've noticed that my images look overexposed and faded compared to viewing them in FastRAWViewer (FRV). Below is an example from FRV: And here is the same RAW ...
Skeleton Bow's user avatar
1 vote
2 answers
256 views

Why some black and white film require color development process

For example, Ilford XP2 noted C41 on the box instead of d96 or d76, Kodak Black and White even explicitly warned the user "Do not process in B&W chemistry" on the film roll. Why do these ...
Amarth Gûl's user avatar
1 vote
1 answer
72 views

Interpreting RA-4 sensitometry charts

I'm having problems with interpreting RA-4 color negative paper sensitometry charts, more precisely it's density readings. Especially what would a spectrometer see with a paper exposed to Dmax. I see ...
JonnyRobbie's user avatar
2 votes
2 answers
380 views

Can I use a LCD as backlight for acquiring film using a DSLR?

After asking about using a DSLR for acquiring film, I am at the stage of looking for a proper backlight. I assume a high CRI light source is required to properly reproduce each colours of the film: ...
FarO's user avatar
  • 1,329
4 votes
2 answers
1k views

Can a 65% RGB laptop display 100% RGB on an external monitor?

If a laptop used for photography editing needs color accuracy, but only scores a color gamut of 90% sRGB and 65% Adobe RGB, can it still emit 100% sRGB and 100% Adobe RGB on a stand-alone monitor that ...
user610620's user avatar
0 votes
4 answers
168 views

How can I take two pictures of different lighting conditions to show the color temp differences hat people would see with the naked eye

I am shooting pictures of two different environments with different color temperature of lights and I want to show each environment as it is seen by the naked eye, one being much warmer than the other....
Jeff W's user avatar
  • 1
2 votes
3 answers
180 views

Separate Monochrome/ Black and White Photos from Colour

Is there a simple utility to organize photos simply by colour or monochrome? I thought it would be easy, but I havent found anything. Initially I thought it could be a simple metadata tag. Searching ...
BwCol's user avatar
  • 21
1 vote
0 answers
45 views

How to interpret the colours after infrared conversion? [duplicate]

Regarding infrared photography, I'm quite confused about what wavelengths the colours will represent after the infrared filter was removed from the camera. How do I find out how to interprete the ...
Pixelcode's user avatar
  • 111
1 vote
2 answers
130 views

How to highlight an area of this photo by its color?

I have no knowledge at all of image editing and analysis, so I beg your help. I have a photo from which I want to highlight the brownest layer, indicated in the red rectangle. This is important ...
Daniel Valencia C.'s user avatar
4 votes
3 answers
497 views

What is the source of color noise?

Many articles mention color (chroma) noise. However, I cannot find proper information what is the cause of this kind of noise. It looks quite different than the luminance noise, so for this reason I ...
Holiweil's user avatar
3 votes
2 answers
290 views

How to convincingly add color to jet black eyes

Where I'm from, a large fraction of the population have jet/pitch black eyes with no "texture" to them, or a very dark brown. In cosplay photography (my field), models would simulate ...
chesnutcase's user avatar
0 votes
1 answer
110 views

Why does my photo have red and green patches on it?

I am new to photography, so I ran into a problem when trying to edit a photo in Rawtherapee where my picture looks like it has red and green blotches all over it. I took this photo with ProShot on my ...
Sam Cao's user avatar
1 vote
3 answers
236 views

What factors affect a camera's ability to accurately perceive color?

Camera noob here. I'm really just a programmer who recently became interested in barcodes with multiple colors to represent information, rather than just black and white. This overlaps with cameras ...
Jacob's user avatar
  • 11
2 votes
1 answer
166 views

Can ImageMagick do channel difference and swap?

In emulating Kodak Infrared Ektachrome (EIR) film (a.k.a. Aerochrome) with images from a full-spectrum-modified digital camera, I want to subtract the blue channel from the red and green channel, then ...
Jan Steinman's user avatar
  • 1,019
0 votes
1 answer
245 views

What is this effect called? And what happens with the colors at that moment?

Right now i saw a video where the color on the legs have this single color level effect. Does anyone know how i can replicate such an effect and what is happening in this picture exactly?
dontoronto's user avatar
1 vote
0 answers
256 views

Color cast in scanned color negatives

I've been struggling with color cast in film scans for way too long now -almost a year. It's high time I ask for help. The shot below was taken on a Kodak Gold 200, I metered the exposure with a ...
EEEB's user avatar
  • 111
1 vote
1 answer
728 views

Why do development times for C-41 films with different speeds remain the same?

When you look at development times between B&W films the development times vary when the speed of the film varies. For example: Ilford FP4 Plus with HC-110 dilution B at 20 degrees takes about 9 ...
Bartha's user avatar
  • 35
1 vote
2 answers
106 views

edge specific color cast removal?

I'm helping to remove background from an image but am finding the edges of the foreground object are experiencing color cast more than other parts of the image. I've tried gimps white balance and it ...
Li Brary's user avatar
1 vote
3 answers
283 views

Is it true that a camera sensor will never receive an RGB value of R 0 G 255 B 0?

I read this: https://therefractedlight.blogspot.com/2010/09/imaginary-and-impossible-colors.html "there are no green colors whatsoever which do not also stimulate your red or blue cells, or even ...
ACrypticFish's user avatar
1 vote
1 answer
119 views

Why are these color look up tables (Hald CLUT) 1600 x 1600 pixels instead of 4096 x 4096 pixels?

I imagine that exhaustive color look up tables need to be 256 x 256 x 256 = 4096 x 4096 pixels. Is that correct? If so, how are these color look up tables (Hald CLUT) only 1600 x 1600 pixels?
Ritesh Singh's user avatar
1 vote
2 answers
377 views

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 ...
Jogging Song's user avatar
0 votes
0 answers
116 views

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 ...
Sami Liedes's user avatar
0 votes
2 answers
106 views

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 ...
CALEY's user avatar
  • 1
4 votes
1 answer
220 views

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 ...
Caspert's user avatar
  • 141
1 vote
1 answer
112 views

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 ...
chesnutcase's user avatar
-1 votes
2 answers
198 views

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 ...
AccidentalTaylorExpansion's user avatar
1 vote
2 answers
696 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 ...
Saskia George's user avatar
0 votes
1 answer
92 views

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 ...
lharby's user avatar
  • 179
0 votes
1 answer
233 views

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 ...
user610620's user avatar
1 vote
1 answer
368 views

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 ...
maples's user avatar
  • 364
0 votes
1 answer
132 views

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 ...
things_are_stacking's user avatar
1 vote
3 answers
90 views

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/...
techno's user avatar
  • 85
3 votes
3 answers
287 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 ...
Jason C's user avatar
  • 587
0 votes
1 answer
304 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.
bypass restrictions's user avatar
1 vote
3 answers
451 views

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 ...
timvrhn's user avatar
  • 2,702
1 vote
0 answers
108 views

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 ...
WhitepointCalculator's user avatar
9 votes
6 answers
3k views

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 ...
Vicente Matus's user avatar
9 votes
2 answers
645 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 ...
tobiasBora's user avatar
8 votes
2 answers
2k 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....
Pete's user avatar
  • 3,302
3 votes
3 answers
167 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 ...
kenlist's user avatar
  • 33
1 vote
1 answer
485 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 ...
David's user avatar
  • 11
6 votes
1 answer
200 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 ...
Friedrich Bauer's user avatar
1 vote
2 answers
2k 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%...
William Abucay's user avatar
0 votes
2 answers
410 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 ...
Arji's user avatar
  • 1,633

1
2 3 4 5
10