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.
301
questions
3
votes
2
answers
5k
views
Inkscape in terminal: convert to greyscale
What is the command for inkscape (called from the terminal) to convert graphics to greyscale? I was not able to find in in the manual. I use the following command:
inkscape -f drawing1.pdf -A ...
2
votes
2
answers
5k
views
Replace color for all layers
I have a file with about 500 layers, and I need to replace a color in all of them. I looked through different solutions here and elsewhere, and they all suggested using an adjustment layer or ...
0
votes
2
answers
992
views
InDesign: Convert RGB to CMYK for clean gray colors
When I convert gray color swatch from RGB to CMYK InDesign transmit that as a mix of C, M, Y, K. How can I convert that values to K only?
The goal is to get clean gray colors on print output. ...
3
votes
2
answers
1k
views
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 ...
0
votes
1
answer
88
views
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-...
3
votes
3
answers
304
views
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 ...
3
votes
1
answer
233
views
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 ...
1
vote
0
answers
61
views
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’ ...
6
votes
6
answers
14k
views
Color mixer that can mix 3 or more colors?
I'm looking for some sort of service, tool or application – even manual techniques – where you can digitally mix/blend 3 or more colors (i.e. not 2 as in most applications out there) and get the ...
5
votes
1
answer
165
views
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%...
3
votes
2
answers
7k
views
Gimp: Change a signature color from black to blue, preserving the tones
I have a scanned signature written in black pen. I have removed the white paper parts of the image using alpha transparency.
After using it several times, it seems that it would look better if the ...
1
vote
2
answers
115
views
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/...
18
votes
9
answers
60k
views
How to convert RGB colors into CMYK (real paint colors)?
How can I convert an RGB color into a real life color?
If I mix equal amounts of red, green and blue paint together in real life, I will never achieve a white color, in the way you do when setting ...
5
votes
1
answer
746
views
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 ...
1
vote
2
answers
52
views
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,...
1
vote
1
answer
208
views
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 ...
1
vote
1
answer
217
views
How can I change CMYK and Registration colors to RGB in Scribus?
I need to convert all of my file's colors to RGB.
Most of them are already RGB. There are 2 CMYK and 1 Registration.
I can edit the RGB colors into CMYK with the Edit button, but not the other way ...
9
votes
4
answers
3k
views
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 ...
3
votes
2
answers
257
views
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 ...
1
vote
2
answers
40
views
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. ...
2
votes
3
answers
204
views
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 ...
1
vote
1
answer
154
views
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-...
5
votes
5
answers
33k
views
Why are my converted CMYK blacks coming out grey?
I'm having a rather annoying problem!
I have RGB images made in Photoshop that I need to convert to CMYK.
When I save the file my black background is converted to a light grey!
I tried deleting my ...
1
vote
3
answers
1k
views
Colour management for logo design in Inkscape/Scribus
I’m new to graphic design and am unsure of how to manage colours in a logo I’ve just created. It’s black text (converted to paths) with one small graphical element (a leaf). I created it in Inkscape ...
0
votes
0
answers
44
views
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 ...
1
vote
1
answer
683
views
Blur effect becomes grey-ish and colours flat when transformed into CMYK
I need your help. I am trying to convert my RGB poster into a printable CMYK poster. But when I change the "neon like" headline to CMYK colours and the document color mode in illustrator the ...
1
vote
0
answers
79
views
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 ...
0
votes
1
answer
9k
views
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 ...
2
votes
1
answer
69
views
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, ...
1
vote
1
answer
2k
views
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 ...
0
votes
1
answer
713
views
Why is my EXR showing up lighter than expected in Photoshop?
I have a 32-bit EXR image that's supposed to show the following color:
r: 0.5
g: 0.5
b: 1.0
each color channel is in the [0, 1] range. When I open the EXR file in Photoshop, this is what I see:
You'...
1
vote
1
answer
128
views
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 ...
0
votes
1
answer
36
views
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?
...
4
votes
1
answer
790
views
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 &...
1
vote
1
answer
726
views
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 ...
0
votes
0
answers
258
views
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 ...
1
vote
2
answers
93
views
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?
-1
votes
1
answer
107
views
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 ...
13
votes
5
answers
5k
views
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.
...
1
vote
1
answer
633
views
Preparing In Design facing pages bleed and color for print
Hi guys I have a problem with my printer complaining all the time that the images in my doc are RGB and bleeds are not good.
Do you know how to check if all my images are Cmyk and how to set up bleed ...
1
vote
0
answers
133
views
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 ...
1
vote
2
answers
228
views
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
...
2
votes
1
answer
190
views
How to emulate this aesthetic using Photoshop or Gimp
I would like to replicate the style used in these images. I can tell it's not just good photography, but the images are also edited. What I wanna do is take an image that has a white background, ...
0
votes
0
answers
88
views
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, ...
4
votes
3
answers
15k
views
How to convert a raster image into vector?
I'm trying to convert a icon from .psd format to vector.
Here is my .psd file snapshot.
This is my converted(Vector) file snapshot after live trace.
I mean it has lot of blurs. I need pixel ...
3
votes
4
answers
19k
views
Finding Illustrator CC Color Swatches Being used
I'm going crazy over this one. I have been trying to locate color swatches being used in a Illustrator CC file. Through this process of elimination I have tried multiple search and locate options. ...
1
vote
2
answers
197
views
Inkscape: how to “negate” paper colour?
I have a document prepared with Inkscape that contains bitmap and vector elements:
Photo by Steve Johnson from Pexels.
I want to print it on coloured paper (ivory) with an inkjet printer. Of course, ...
0
votes
2
answers
208
views
Change Hex Color of Graphic Image in Photoshop With Transparent Background
My question is very similar to this one:
Changing hex color of a graphic
I just want to change the hex color of the shell graphic from #53767F to #375459:
According to the top answer in that question,...
4
votes
1
answer
173
views
Color management from CMYK to RGB in a brand guide > in which Adobe program?
I experience small variations in the RGB values depending on the different programs I used to convert the color values in CMYK to RGB. So my question is if there is a preferred program to use ...
0
votes
1
answer
140
views
Too bright HEX color
I've stumbled upon a problem while redesigning a Xd-mockup for a company I work for. They are using the CMYK 56,4,100,0 for alle their offline marketing, which works great for that purpose. But when I ...