All Questions
Tagged with color-correction color
43
questions
2
votes
1
answer
186
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 ...
1
vote
1
answer
122
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?
1
vote
1
answer
127
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 ...
0
votes
1
answer
244
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 ...
1
vote
3
answers
96
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/...
3
votes
3
answers
312
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 ...
9
votes
2
answers
688
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 ...
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%...
2
votes
3
answers
219
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 ...
3
votes
2
answers
515
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 ...
3
votes
1
answer
453
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 -...
2
votes
3
answers
2k
views
How to use a Xrite Colorchecker on a specific image to get the right colors?
I installed a setup, and I shot three photos with the same f/1.7 1/100s ISO100 condition:
A.jpg (download link): Colorchecker alone
B.jpg: Colorchecker + object
C.jpg: the final object I'm ...
3
votes
2
answers
674
views
How do I cope with haze for the photos containing sky and trees at a distance?
I'm always struggling with photos which contain large zones with trees situated far away from the camera. Haze and pollution cause severe changes in colors, which means that the trees lose their ...
3
votes
2
answers
3k
views
Why would a camera change colors on the image when producing JPEGs?
There's a room with windows closed by curtains, it's night outside and the only light source is a set of LED filament lamps inside the room. Lamps are designed to have 2200K color temperature to have "...
2
votes
1
answer
67
views
For analog color printing, why does a diffused projected image "average" to gray?
In analog printing color negative film to RA-4 paper, one approach is to project the image to the easel, place a diffuser in the light path, and then place a filter calculator (an array of filters of ...