Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions about changing colors from one color space to another, most often to match the original color as closely as possible.

0
votes
1answer
38 views

How do I change color but keep tint in illustrator?

I have an illustration made of several parts. All parts are the same spot color (some Pantone color) but they are different in tint. I know that I can select them all and go to Edit > Edit Colors > ...
1
vote
1answer
31 views

Handling inversion on black and white photos in Photoshop

I'm looking to recreate a similar black and white effect to the dome in this casino token. It's the Capitol Building in Austin, Texas. I've looked at a variety of different images of the dome, in ...
2
votes
2answers
181 views

Converting Pantone to RGB

I need to convert my client's logo from Pantone to RGB. The first is Pantone 297. If I convert it to RGB, is it R130, G198, B226? How about the blacks? I am not sure what these percentages mean. ...
0
votes
3answers
83 views

Alternative formulae for CMYK to RGB conversion for display on screen

I am writing software to extract text sections from PDFs and render on screen for analysis; I need to display the text on screen in the colour from the document. When the PDF contains CMYK colours at ...
-2
votes
1answer
41 views

Change a specific color in an area

I have this image, a PNG file: Question: I want to change one of the logo's color to be more visible than the others. The color I want is australium gold rgb(231, 181, 59) These "logo's" represent ...
1
vote
0answers
61 views

Color management: how do I make Gimp handle gamma conversion in this png file?

This image is shown as an apple in Gimp, although if gamma is handled correctly it should show a pear. What steps should I take in Gimp to make it handle the gamma correctly? I've tried with the ...
1
vote
1answer
421 views

How to find the CMYK or RGB value of a commercial paint color?

I have a client who has chosen a paint color for their office and they want to carry that exact color onto everything from signage to website to business cards as their "brand color". Is there any ...
0
votes
1answer
605 views

Accurate RGB to CMYK conversion [duplicate]

I am trying to print out a simple picture (below) that is composed of sections of the following RGB colors: 255,0,0 255,0,255 0,255,0 0,255,255 0,0,0 I am using this image for color sensing (...
1
vote
3answers
300 views

RGB to CMYK conversion problem

There is a situation where I have to transfer colors in Hex Format (from an app) to Adobe Illustrator. But I need to extract the exact CMYK value (that was assigned in the previous app). Long story ...
1
vote
2answers
198 views

CMYK to PMS - which PMS color should I use?

I am developing brand guidelines for a particular sub-brand where I work. Certain details are specified with a rich black, which is a CMYK mix of C10, M10, Y10, K100. Mostly process printing will work ...
4
votes
1answer
431 views

I select a color in Photoshop and it's painting another one

I select a color in Photoshop and it's painting another one. I've checked RGB color mode and everything, but it seems to continue to change the selected color. How can I fix it?
2
votes
0answers
167 views

Should you convert or only assign a color profile when wanting to preserve color appearance?

Context: I am preparing a design to be sent off to a professional printer. I will print the exact same design on both coated and uncoated paper, requiring FOGRA39 and FOGRA47 respectively. In ...
0
votes
1answer
71 views

Changing color using hue is creating unwanted border

I have an image with green and blue stones: I want to change all the green ones to be blue as well. Currently I'm following this tutorial: https://www.youtube.com/watch?v=n9fwiNyDHLI It says to: 1)...
1
vote
1answer
56 views

How to make a screenshot from Corel 2017, without converting through my monitor color profile?

My goal is to (temporarily at least) get reliable colour values on screen and in my screenshots, in CorelDRAW 2017 on windows. If I screengrab and paste into eg GIMP, the colours shift. I think what ...
1
vote
0answers
136 views

Adobe Illustrator | RGB vector looks all black when I import it to CMYK artboard [closed]

Colorful RGB vector I've downloaded from Vecteezy looks all black when imported to CMYK artboard. I can't change the color after importing to CMYK artboard either. How can I fix that? What I've done: ...
5
votes
2answers
68 views

Do Adobe RGB and sRGB assume 2 degree observer?

I know that Adobe RGB and sRGB assume D65 illumination, but do they assume a 2 degree or 10 degree standard observer?
11
votes
1answer
2k views

Why is Photoshop changing my CMYK numbers?

I have my image mode set to CMYK. But as soon as I enter 0 C, 0 M, 0 Y, 50% K, it changes it 43% C, 35% M, 35% Y, 1% K. Attached is a screenshot. How do I remedy this?
1
vote
0answers
50 views

Why does Photoshop's color profile conversion change appearance when source and target profile are identical? [closed]

Recently, I've noticed something in Photoshop I cannot quite understand: I've got a Photoshop document (not a specific one) in e.g. sRGB, ICC-Profile embedded. Now, when using 'Convert to Profile' ...
0
votes
1answer
627 views

How to make Illustrator default to CMYK [duplicate]

How to make Illustrator default to CMYK. My color box says CMYK, but my swatches still default to RGB please help.
0
votes
1answer
355 views

Computing the range of CIE L*a*b*

I am currently using C# to compute the range of various color spaces. One such, CIE Lab*, is giving me a headache. To compute the range, I enumerate each possible RGB color, convert it, and store ...
0
votes
2answers
1k views

delete half transparent pixels in image

I need to convert a 16bit png into an 8bit png for size reduction. Problem are the half transparent pixels that will generate a white border around my content when converting to 8bit. I just want to ...
1
vote
0answers
461 views

PDF Export: Color Profile Conversion (Affinity Designer)

I am new to AD and using the current version as trial. I worked for 10 years with Illustrator but would like to switch. I need to export a PDF/X-3:2002, but it seems there is only X-1a and X-3:2003. ...
3
votes
2answers
197 views

Looking to replicate a comic coloring of early 90s(not just using the half tone filter)

Here is my image with flat colors, colors with the halftone filter, and a comic page I am trying to replicate. I am missing something. My colors don't have the same look.I am using the same 64 color ...
0
votes
2answers
485 views

CMYK color difference from Windows to Mac

When I open an InDesign file and edit a linked PSD by changing the color mode CMYK, I see a difference from my Windows PC to my Mac. The other day I made a CMYK version of an PSD on a Mac and put it ...
1
vote
1answer
379 views

Changing colour mode of black in InDesign

I was under the impression that, to convert the colour mode of an InDesign document, you just had to modify Edit > Transparency Blend Space and change the colour mode of all swatches. But I've ...
3
votes
2answers
333 views

Colours being shown differently throughout web browsers and image editing software

In a web browser, this colour (#495D7A) looks like this: But in Photoshop, that colour looks like this and the dropper tool detects it as #495D7B: And when these colours are side by side. I've put ...
-1
votes
2answers
961 views

How to convert a logo to grayscale in Photoshop?

I have a logo that has color gradients and I need to convert it to grayscale in Photoshop or in Illustrator and get a good result. I tried to convert my logo in Illustrator but the result is ...
3
votes
2answers
360 views

How to find the nearest color from a list of 9 in Photoshop?

I've a picture of an static object correctly balanced and exposed: I would like to sample the nearest color from my own palette of 9 RGB or Lab using Photoshop: Colour palette: #8270a4 #aa83cb #...
7
votes
7answers
2k views

Convert complex artwork into single color

I created this logo for a client, and I now need to convert it into one color versions (all black/all white). Because there are so many overlays of text and graphics, I am having issues changing it ...
5
votes
4answers
977 views

PMS vs CMYK Logo colors

So, I designed a logo in CMYK color and printed it using EPSON printer. The colors match perfectly what I see in print and on monitor. Then I convert the logo color to PMS using Illustrator's ...
-1
votes
1answer
675 views

Applying a limited palette to a photo [duplicate]

How can I apply a limited palette to a photo, while still keeping the value variations within the original image?
3
votes
3answers
638 views

Why doesn't the Pantone Color Finder use same preview color for Coated and Uncoated?

Coated and Uncoated versions of the same Pantone color, if printed on the right paper, should (approximately) obtain the same perceived color. So, why does the official Color Finder on the Pantone ...
1
vote
1answer
98 views

Why would home printers work better with an RGB image

In @Scott's answer to this question Best format to save Photoshop artwork for printing?, he states that most home printers will more accurately reproduce the colors from an RGB image than a CMYK image....
1
vote
1answer
354 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 ...
-3
votes
1answer
40 views

Is there an online tool to change a color gradient?

I want to change the color gradient in this image from yellow to white or transparent. Is there an online tool that can achieve this in an easy fashion? Which online tool can I just that can achieve ...
2
votes
1answer
163 views

How to choose a PMS colour close to a certain CMYK value?

How do I get a Pantone (PMS) ink colour similar a specified CMYK colour? Is it possible that in some cases the PMS swatch chosen doesn't eactly match the CMYK colour? How would you go about this when ...
11
votes
4answers
4k views

When designing a website, how do I know how users see the colors?

When designing a website, how do I know how users see the colors? I see the colors of the website differently from my Macbook and Windows desktop/notebook. Especially I can’t see light colors on ...
2
votes
1answer
258 views

Separate an image into arbitrary color channels

In Photoshop, it's fairly easy to separate an image into separate monochrome red, green, and blue images. These could each be projected as slides in front of separate red, green, and blue lights to ...
0
votes
2answers
102 views

Consistent Color Management Across Printers

How do you manage a specific color, to print consistently across different printers / ICC profiles? I have a long time client and their brand color is a specific shade of coral rgb(250, 128, 112). I ...
2
votes
2answers
167 views

How to do 64-page magazine that has 2-colour run and inserts that have 1-16 Roman numerals in?

I am using InDesign CC 2015 on MacOS Sierra. Currently, I am creating a magazine that has 64 pages in total, with pages 5-24 and 41-60 on newsprint, and 2-4, plus 61-64 are on glossy paper, with 16 ...
0
votes
1answer
348 views

what is the nearest or equivalent match to Pantone 289 in RAL or CMYK

We are looking at an equivalent for Pantone P 289 (Midnight Blue) on RAL or CMYK, please advise if this is known to someone.Thanks
4
votes
3answers
387 views

Integrating a photo into a “black” background for print in Illustrator?

My print knowledge has gone a little rusty so I was wondering if someone might be able to clear something up for me. I am designing a box which has a photo that fades into black around the edges/in ...
3
votes
3answers
883 views

Overlap RGB values to produce a single color

I am new at graphic design (obviously) and I would like to create a logo with overlapping colors to produce a desired color. In this case I would like to overlap 3 distinct colors (with I assume ...
0
votes
2answers
108 views

Correcting colors for logos on Business cards

I am designing business cards in Illustrator, however my printers use Corel Draw and some of the logos do not show up on their side. They mention 'overprinting', but I do not know what that means. ...
5
votes
4answers
30k views

CMYK to RAL or PANTONE conversion

A client needs to produce a large logo for their front office and the production company requires us to convert the CMYK 40,48,77,17 to RAL or Pantone. I have never been faced with such a request and ...
3
votes
3answers
1k views

What happens when you print without converting to CMYK?

When exporting InDesign files as PDF, it is converted usually to the intended colour space. But, what happens when you don't do that for whatever reason and send the non-converted PDF to print? Since ...
1
vote
2answers
2k views

Sketch: How to change the background color of an image?

I have a PNG I downloaded from the internet / shutterstock: It's a PNG, however the background is white. Is there a way I could remove the white background in Sketch and replace it with a different ...
1
vote
2answers
441 views

Sketch: How to change all shades of a color to another color?

I have an image that I downloaded online: As you can see it's not just monotone. I would like to change all shades of the red to shades of a different color (Imagine the red liquid was purple instead ...
0
votes
1answer
801 views

Color conversion, RGB to CMYK, different values in Photoshop

I'm trying to enter the color #00ADE3, using Adobe Kuler and ColorHexa and another website; when I enter my color #00ADE3 I get the same CMYK(100,24,0,11). My Photoshop gives different CMYK values ...
1
vote
1answer
773 views

AI Color Picker Panel and Pantone Color Finder shows different color values (CMYK, HEX and RGB) for a Pantone Colour

I am working on a brand identity and have finalised a stock colour Pantone 3415U (Solid Uncoated). I am having difficulty finding the matching colour values for the same in CMYK, RGB and HEX/HTML. I ...