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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5 votes
1 answer
637 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
48 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,...
9 votes
4 answers
2k 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 ...
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1 vote
2 answers
35 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. ...
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1 vote
1 answer
73 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 ...
2 votes
3 answers
149 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 ...
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3 votes
2 answers
199 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
1 answer
81 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-...
0 votes
0 answers
42 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 ...
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1 vote
0 answers
70 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 ...
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0 votes
1 answer
4k 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 ...
4 votes
1 answer
138 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%...
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2 votes
1 answer
66 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, ...
0 votes
0 answers
40 views

Determine equivalent transparency for hue/shade of base color?

I have a logo that has 1 base color, and has 3 lighter hues of that base color. It came in raster versions for use on a black background and use on a white background. I’m trying to recreate the logo ...
1 vote
1 answer
1k 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 ...
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1 vote
1 answer
87 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
30 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? ...
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4 votes
1 answer
636 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 &...
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0 votes
0 answers
48 views

Aren't all workflows display-referred, considering all monitors convert signals?

This article states: A scene-referred workflow is one in which we manipulate our images prior to their transformation from camera color space to display color space. A display-referred workflow is ...
1 vote
1 answer
504 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 ...
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0 votes
0 answers
145 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 ...
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1 vote
2 answers
89 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
74 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
4k 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. ...
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1 vote
0 answers
107 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
140 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 ...
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0 votes
0 answers
61 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, ...
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2 votes
1 answer
166 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, ...
user avatar
1 vote
2 answers
170 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, ...
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0 votes
2 answers
161 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
152 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
128 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 ...
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1 vote
1 answer
40 views

I need to recreate/convert two designs respecting color blindness. Where to start?

I have a design made with RGB for digital platforms and the same design made in CMYK for printing. Now, I have to recreate both designs respecting Deuteranomaly, Protanomaly and Monochromatic. Where ...
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2 votes
2 answers
745 views

Calculate blend mode colors

In my case, I have a background color #333 and a "+" layer with blend mode difference. The blend mode is evidently so that the "+" is always nicely visible for any background color ...
0 votes
1 answer
1k views

Convert website images for dark mode

I just converted my website to dark mode so it chooses the user system settings. However, most of my images and videos look horrible (too white). Are there any tools to automatically convert images ...
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0 votes
1 answer
1k views

Change color to white using GIMP

I'm trying to rotate a color in a photo of a house with quite a bit of shading to white (actually, a slight gray would be better). For example, in this photo taken from a website: How would I change ...
3 votes
1 answer
176 views

Multitone-duotone conversion to RGB

I'm using photoshop and I want to export some multitone-duotone file (.psb) to rgb jpeg. But I cannot convert it from Multitone to RGB without a radical change in my colors. (see the image below) I ...
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0 votes
1 answer
125 views

How to change color of product in a picture

I have a picture of Jacket, the color of jacket is black. I want to change the jacket color to white. Here is the picture How can I change the color of jacket ? Please help.
0 votes
2 answers
692 views

Mapping 3D RGB color-space to 1D Visible light wavelength

I wonder how to make a 1-to-1 mapping between the 3D RGB color-space and 1D visible light wavelength (nanometers)? I have shown their images below: I mean if I want to know what is the RGB color that ...
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0 votes
1 answer
537 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'...
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-4 votes
1 answer
91 views

What's the Hex or RGB color for these buttons [closed]

I've been trying to find the hex rgb color code for color being used for these buttons. Specifically, the very firts button with rounded corners. I've been searching colorswall.com or other similar ...
1 vote
1 answer
564 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 ...
0 votes
2 answers
243 views

Change in colors on different screens

So, I created a project in Illustrator and when I uploaded it on Behance the color appeared way off on my mobile, like the pinks changed to browns. It's appearing fine on my MacBook screen but in all ...
2 votes
1 answer
64 views

Colour maps for visualising sparse points against black background

I would like to visualise sparse 3D points against a black background. Each point is associated with a brightness value. I would like a colour map to display these points in a visually appealing way, ...
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0 votes
0 answers
207 views

Inkscape colors wash out in conversion from .pdf to .eps

I need to convert some academic graphics to .eps. I don’t have the option of using a different final format. In Inkscape most of the graphics files convert fine. In one the colors selectively wash ...
1 vote
1 answer
912 views

How to find a color within area in CIE 1931 color space

Color should fall within an area defined with coordinates in CIE 1931 color space as stated in CIE 39.2 - "Recommendations for Surface Colours for Visual Signalling". The area is described ...
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0 votes
1 answer
98 views

Why do my prints always produce a magenta tint? Is there a more calculated approach I can take to my print prep?

I photograph and colour correct oil painting photographs I shoot in Adobe RGB and print on a latex printer with the company's ICC profile (I don't know if I have to embed it into my photos or the ...
0 votes
1 answer
79 views

Converting colour space to RGB

I usually use the colour bridge coated guide to get a match between my cmyk and spot colour. The problem is I find the RGB colour match in the bridge book (which im aware is a conversion from the ...
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0 votes
0 answers
71 views

Color to 12 shades of Grayscale conversion & Grid overlay

Thanks for reading my post. I would like to create a grid drawing, like the ones done by Chuck Close. This uses a system where an existing photo is transposed/painted by hand to a much larger canvas, ...
0 votes
0 answers
255 views

How do I keep the original color of a vector when exporting?

I made a vector on Adobe Illustrator (v 24.1.2) and when I export it as a JPG or even if I open it as a PDF I notice I lose alot of the color. How do I prevent this from happening? Eventually I would ...

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