Questions tagged [color-conversion]
Questions about changing colors from one color space to another, most often to match the original color as closely as possible.
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How do you re-colour, or colourize, a background layer such that the output hue and tints are highly saturated with colour?
When I re-colour things in the GNU is not Unix Image Manipulation Programme the result often has dark grey patches or unsaturated light whit-ish patches.
Suppose that:
the blue-colored image is our ...
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Looking for fastest packshot-workflow with color accuracy
Hello dear fellow graphic designers.
I am struggling a bit with decision making for the best workflow as I don't have much experience in packshots of variable packaging designs. The part I struggle ...
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How to target a specific area of the image in GIMP with Rotating Colors
I keep trying to color edit the image with the Rotating Colors tool in GIMP, but it will only effect the hair and skin. I have tried only images where they are wearing a white shirt and it still only ...
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How to determine a workflow from example images
An internet mystery has people searching for an unknown person on a fabric.
I try to understand the following:
What workflow did the designer use to transform the images?
Can we tell from the before ...
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How to find the best matching CMYK color for this color?
Does anyone have an idea how to find the best matching CMYK color for digital print for this mint green color?
HEX: #8BFF85
RGB: 140/255/133
Thanks for your help!!!
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In Illustrator, how to replicate exactly the displayed CMYK mode colors in RGB mode?
I have a two stop gradient in CMYK color mode (FOGRA). After converting the document to RGB mode (sRGB), there's a slight color shift between the two gradients. The RGB gradient is a bit redder/darker....
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Can a bmp image be 16bit depth?
I'm trying to create a watchface for my wristband and the only form of image I'm supposed to play with is a bmp image, 16bit depth, 300 KB size or lower. It seems impossible to combine these 3, Please ...
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Color Difference functions are not good. What am I missing?
In the last few days, I tried out three renowned color difference functions.
My expectations were very high as it was a function that reflected human perception.
CIE2000
ITP (also called ICtCp or BT....
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Why is CMYK needed when printing when RGB+color profile can provide the same?
I see some professional printers asking for documents using CMYK instead of RGB. But I don't understand how it is better than RGB with an appropriate ICC color profile. Indeed, if my understanding is ...
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How many colors in YCbCr JPEG under common conditions 3x8bits?
Aproximayly 1/3 volume of a cube is at this picture from wikipedia
So does YCbCr JPEG have aproximayly 2^(3*8)/3 = 5 592 405 colors?
Also coefficients KR+KG+KB=1 are used for converting YCbCr to RGB. ...
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Is there any list of which PMS spot colors are reproducible in CMYK?
Is there any list of which PMS spot colors are reproducible in CMYK?
And a list of which Pantone colors are out of gamut for CMYK?
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Use new ase file to change multiple files created with old ase file and global colors
I have 30 files all colored using the same global color swatch palette generated by the same .ase color swatch library. Is there a way to use a new .ase file to globally change those colors? I know ...
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How can I procedurally modify the hair portion of this texture to better match the intended color?
I have this texture for the head and hair of a humanoid 3D model:
That is the version of the texture re-saved as a .JPG. For reference's sake, here is the original in .PNG format:
This character ...
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How to use color settings together in Photoshop, InDesign, PDF export for print?
There are color settings in Photoshop, InDesign, and in PDF export within InDesign. How do they work together? I know color is complicated so I tried to keep questions below focused. I get lost in the ...
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X-Rite Color Picker software alternative?
We have a very old Mac running X-Rite color picker. This software is awesome because it converts spot colors to CMYK based on our proprietary icc profile with the ability to limit the conversion to a ...
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Why is 50% black/white is 128, and not 127?
In the RGB color model, color values are represented in the 0-255 range. 0 is not a dummy value, so in the 0-255 range, there are 256 colors.
When using HSL (or something similar), I'd expect 50% to ...
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How to convert a PMS color code to TPX or TPG?
I want to convert
Pantone PMS282 C
Pantone PMS2727 C
To TPX or TPG, how to proceed?
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Best CMYK export option
I am a children's book designer writer. I am trying to format my first picture book for printing. I have worked the images in RGB, but thought I should convert in Affinity before sending to printing....
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How to accurately isolate the hue of an image?
This began as a simple question but got confusing the more I thought about it. I hope somebody here can help me get it sorted.
I was preparing an image texture that was to serve a purpose similar to ...
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How can one transform a neutral lookup table texture for color blindness?
I want to add color blindness support on my Unity game, for this, the Color Grading effect appears to be the way to go.
This is the neutral lookup table, i.e. when applied, nothing changes, it's ...
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I'm trying to replace/change colors in an image
I have this logo that came along with a theme:
On a website, a new branding occurred, and now we have a limited range of colors:
--color-primary-blue: rgb (44, 45, 101);
--color-primary-...
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How do grayscale values work in an RGB document?
I am trying to understand how channels work. I created a blank 8bit RGB document in Photoshop and filled the background layer with 50% gray. But however, when I navigate to channels and click on R, G ...
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InDesign: Exporting CMYK doc as RGB
If I want to export a CMYK document as RGB, is it best to go into every swatch, and every placed link, and make sure all the colours are set to RGB before exporting?
Or can I just set it to sRGB under ...
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Colour conversion discrepancies between — and within — Adobe apps
I work a lot with brand colours specified as Pantones, but often printed as CMYK. Naturally, I want those conversions to be as accurate and as consistent as possible, and I keep my Adobe applications’ ...
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Best 4-color palette for dithering arbitrary images on screen
Duplicate of this question since society of retro-computing closed it and recommended it to be moved here.
In the good ol'days many computers limit their palettes to 4 to 6 colors instead of 8/16/256/...
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How to change color of this icon?
I've read several tutorials and watched quite a few videos but none of them are working.
I am using GIMP and wanting to change color of this icon to the following hex color.
Hex color - #006b5f
The ...
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2
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Derive a color from another one and a “ratio”?
(Disclaimer: I don't understand well color models.)
For a document, to be typeset thanks to LaTeX, I have:
a “dark” color (DC for short): CMYK(1,.60,.10,0),
a “light” color (LC for short): CMYK(1,.35,...
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When is it really worth it to convert RGB to CMYK (If printers do it anyway!)
Since it is very overwhelming and doubtfully necessary, is it a good idea to depend on printers (RGB to CMYK) auto-conversions to produce usual printing needs? (When Spot Coloring isn't an option for ...
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Inverting photo using pre-defined material colors
I like to use black-backgrounded slides for my conference presentations. However, as research papers use white-backgrounded figures, they should be converted. A good option is inverting the colours. ...
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Changing Color palette and pixelating
I have a photo of my dog and I thought it would be fun for my kids to reproduce it in chalk on our drive way in large scale, then look at it from our up stairs window (and hopefully learn about colors ...
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Theoretical best colors for dithering
It would seem that I'm very bad at explaining myself. This is not unusual, thus this clarification.
Imagine a flip dot display. 2 colors, one or the other, per flip dot or pixel, no substrate, no ...
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Question about what colours fall into the pointers gamut
Absolutely no idea if this is the best place to ask, if not, please point me in a better direction.
Basically, I have been using this software to determine if the pixel colours of an image (the pixel ...
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Trouble converting from sRGB to CIE 1931 XYZ
No idea if this is the right place to ask this, if not, please point me in a better direction.
I am trying to convert sRGB values R:100 G:78 B:94 to XYZ using this site: https://www.nixsensor.com/free-...
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avoiding 'dot gain' : preparing inner sleeve design in illustrator for printing on uncoated stock
I'm preparing album cover artwork -- I'm going to print some vinyl. The mfr recommends a disco jacket as the inner sleeve for 180g vinyl because it resists the vinyl tearing a hole over time. Their ...
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Reproducing industrial system colors (RAL, NCS, Pantone)
Assuming I have access to equipment that gives me ability to measure precise amounts of fluids - is it possible to reproduce colours of any well-known system (like RAL, NCS...) using avialable ...
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Pantone TCX to Coated conversion
I need to convert some fabric colors to ink colors for screen printing. In the past I would use Pantone's X-Ref web utility but they've discontinued it. The only option appears to be paid a premium ...
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What process has been used to derive these "tints"?
I have some brand guidelines.
One of the main colours is #004F6B. The guidance advises the use of "10% tints" to expand the palette. The suggested tints for this colour are:
100% #004F6B
90%...
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Why are even displays with high or complete specific color space coverage not correctly calibrated?
Despite many people asking about calibration, I couldn't find an answer to the following (imo important) question:
.
Why are so many displays incorrectly or un-calibrated, in other words inaccurate, ...
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Exporting InDesign PDF with RGB converted to CMYK, colours look dark and muted?
I am working on a publication in InDesign, working on a 2019 Macbook Pro display, in which there are around 300 links to images. Some images are in RGB, and some in CMYK. Here is an example of an ...
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How to make a fading hue animation of a static image?
Say image A is a static portrait drawing of someone. You'd like to make an animation that has no movement of the artwork, but just alternating re-colorations of the portrait in such a way that it ...
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DeltaE lower but color tone/hue different
I'm currently digging into color calculations/ conversions and also work with DeltaE.
Although the mathematical way might be correct, how can I get a better "human accepted" difference?
...
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Is every Pantone color displayable in sRGB?
I thought this would be asked somewhere before, but I can't find it. So if you have any good links for me to read please let me know.
How much do Pantone (especially Pantone Solid Coated) and sRGB &...
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Export settings for commercial printer when using CMYK-converted pictures
I have pictures that are already converted to PSO coated v3 -profile. Wich settings are correct for the export in this case?
My Indesign color management is set to "Preserve numbers/ignore linked ...
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Converting LAB value from D65 to D50
I'm building a database for the anime cel color(acrylic paint). I scanned them with an Epson Perfection v600 scanner calibrated with Silverfast's advance target, saving in TIFF with ProPhoto RGB ...
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Gold shimmering texture effect for photographs
How to achieve the following gold texture effect for photographs? Does it start with adjusting the Hue to a gold color, but how to get the radial-like shimmering shiny look?
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How to determine final greyscale look of printed color by B&W printer
I need to design a pdf document that can be both readable on a computer and on a paper printed using a "black & white" (i.e. greyscale) printer. Notably I want:
to ensure that some text ...
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How are the publishers able to print book covers in neon colors?
How are printers and publishers able to print book covers in neon? This House of Night book cover, for example, has the effect of neon color, but when I try to do it with CMYK they don't look vivid.
...
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How do I match the colors of my print with a reference print?
I have a series of around 100 scans of vintage stamps (all coming from the same scanner), and just a couple of actual stamps within that set, to be used as color reference. What's the best process to ...
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Color shift when image is converted to CMYK
I'm working with a graphic designer to design a book cover for a self-published title of mine on Amazon. The purple in the cover image becomes dull when converted to the required CMYK.
Original Image
...
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How do I find multiple variation of same color which are visually contrasting
I am developing some kind of heatmap for a stock market-related project which has ~80 large to small boxes on the screen to denote a stock and it's change
I use a red background on box to denote loss, ...
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