17
votes
Relationship between tint-temp and magenta-green-blue-amber white balance corrections?
Tint is the green-magenta axis, temperature is the blue-amber axis.
- 1,376
16
votes
How do I get a consistent White Balance when shooting different color products?
Don't use auto white balance - choose a color temperature that looks well and stick to it (or use a gray card if the color accuracy is important)
Close all the windows - the daylight color changes ...
- 20.5k
15
votes
Photoshop's color replacement tool changes to grey (instead of white) — how can I change a grey background to pure white?
Graphic Design Stack Exchange: How to cut how hair accurately
Advanced hair extraction tutorial
First off, plugins and simpler methods are available. This is if you want to get higher quality results.
...
- 2,417
15
votes
Remove color cast in darktable?
Within the white balance module you can select "spot" from the preset drop-down list to remove color cast based on a selected area. By default, the entire image except for a margin around the edges is ...
- 5,244
13
votes
Why are gels used for digital photography?
From my point of view - or how I use my gels - there are two main usage points:
Adjusting a color to get a color effect. For example make your flash-light red/green/... to get a interesting ...
- 963
13
votes
Accepted
Photoshop's color replacement tool changes to grey (instead of white) — how can I change a grey background to pure white?
The color replacement tool isn't working for you because its default mode is "Color", which changes hue and saturation, but not luminosity (brightness/value). That's why you get the blue or the gray→...
- 140k
12
votes
What *exactly* is white balance?
Our eyes and brain do things on a daily basis that make LSD's effects seem relatively tame.
One of the things our brains do is a color balancing activity of their own. No one knows why for certain, ...
- 749
11
votes
Accepted
Why are gels used for digital photography?
Yes, their main purpose is to have different colors on different lights. However in the vast majority of cases (if not always) you simply cannot reproduce this setup in post.
The human eye is quite ...
- 4,395
11
votes
What do I need to photograph paintings with accurate color?
The gear actually isn't as important in your situation as the workflow to preserve color accuracy. The main issues you'll need to consider are:
Accurate white balancing when shooting. This typically ...
- 49.1k
11
votes
What's the correct term when a photo is over saturated?
Another relevant term is Clipping, see: https://en.wikipedia.org/wiki/Clipping_(photography)
Images exhibiting Clipping will often show areas of solid white, but it can also mean that any specific ...
- 899
9
votes
Why do SLRs and DSLRs use different flash gels?
I tried hard to find a source for that information, but no luck. However, it doesn't sound right to me because the idea behind putting a gel on a flash is to alter the light to match the ambient, be ...
- 32.4k
9
votes
Sony DSC-RX100 gives unnatural (depressive) colors
I see no problem at all with any of the images you linked to.
I suspect the actual problem is how your display is adjusted.
I'd suggest you try this page and see how that works.
The sample you ...
- 6,265
9
votes
Vintage vs modern B&W photography techniques differ in color luminance - what's going on here?
Just to expand on Matt's answer a bit.
Most B&W films used during the first half of the 20th century were not panchromatic. They were much more sensitive to the energy in blue light than the ...
- 168k
8
votes
Color issue: studio images have a pink hue
No. Don't try gels.
Your camera should have a custom white balance setting. Something like this:
You need a 3 step process for this:
1) Take a photo of a white object using either Sun White Balance ...
- 20.7k
8
votes
What do I need to photograph paintings with accurate color?
I used to work as an assistant to a guy who shot accessions for the Corcoran Gallery in DC. He used a standard copy photography lighting technique with two Lowell D (now DP) hot lights reflected out ...
- 471
8
votes
Accepted
Why color-wheel websites (Adobe...) claim these colors are complementary
Not all color wheels are alike. The traditional/old school RGB color wheel (like Krita's) begins with the three primaries at 120˚ intervals; which places red opposite cyan, such as this wheel.
...
- 9,804
7
votes
Gimp's color options not working
I have been having this problem too in GIMP 2.10.18, and finally figured out what's happening. I had the layer visible and highlighted, but the curves are adjusting the RGB channels. That means that ...
- 71
7
votes
Accepted
Is it possible to "apply" a color profile to an image?
You would convert the image to the sRGB color profile. This profile is indended to match the color capabilities of a monitor.
This is commonly used for images that are used in web pages, and for ...
- 20.8k
7
votes
Accepted
How can I achieve consistent skin tones in my photographs?
The short version of the answer to your question is that you do it both "in camera" and in post-production.
A longer answer breaks out into a few thoughts:
In Camera
Light the subject ...
- 32.4k
7
votes
Accepted
How to match colors between pictures?
The first step is to observe. The main diference is a slight color on the first image.
Method 1
Technicly that is a duotone, it is the easiest way to work it anyway.
1) In Photoshop, convert the ...
- 20.7k
7
votes
Accepted
Pictures of a dark violet flower appear light blue. Is this a lens or a technique problem?
The flower is supposed to be dark violet, but it's come out light blue.
That indicates the image is overexposed. If the flower is dark, the image of the flower should be a similar tone. So for a ...
- 32.8k
7
votes
Pictures of a dark violet flower appear light blue. Is this a lens or a technique problem?
Despite you saying that this does not happen with 55-250mm objective I claim that this is the problem with camera settings. If you finally upload the photograph made with 500D and 55-250mm I may ...
- 4,049
7
votes
Why would a camera change colors on the image when producing JPEGs?
Visible color of an object looks like something objective — if it looks yellow then it looks yellow, why change it in the first place? I just don't see how this color alteration is useful.
This is ...
- 140k
7
votes
Why does Lightroom not have a cyan-red slider for color correction?
If you look at any color wheel, you have two axes on the wheel:
To correct any color cast, this is usually enough. You can correct the main source of color shift in natural light on the temp axis (...
- 3,394
7
votes
Will a CTO (or CTB) Gel improve the CRI of a light source
Filters don't add anything, they only attenuate (reduce) part of what is already there more than they reduce other parts of what is already there.
If the light source has a low CRI due to missing ...
- 168k
6
votes
Why are gels used for digital photography?
If light colors don't match (or you don't want them to match and they do) then you can't correct for this in post. Lights interact with each other and there is no good way to tell which light is ...
- 34.4k
6
votes
Match colors in Lightroom to other editing tools
You can't. Lightroom (LR) ignores the in camera settings that were in effect at the time the photo was taken and applies its own preset or auto settings.
I'm a Canon shooter. When I first open a ...
- 168k
6
votes
Correcting severe cyan colour cast
Sadly, there's not much useful color information in the pictures to work with. This is probably not remotely the answer you were hoping for, but...
Being a fan of the old tinted postcard look, if ...
- 5,244
6
votes
Why are high white balance temperatures redder when warmer objects are bluer?
The Why Different is just a difference between physics and art. The "temperature" simply is the actual color of black bodies when heated high (Like steel in a furnace). They do first glow red, and ...
- 12.5k
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