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

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3
votes
1answer
2k views

Differences in color conversion (RGB to CMYK) / How to choose Corporate Color

I figured out that there are possibly more than one methods to convert RGB to CMYK. Using Adobe Illustrator CS6 (Mac) the color conversion is completely different as the conversion via Wolfram Alpha. ...
12
votes
1answer
3k views

How to make a color appear the same on different backgrounds?

Background on color perception: Due to the nature of the human eye and visual processing by the brain, there's an optical illusion that the same color will look different depending on the background. ...
2
votes
1answer
6k views

Tools to convert from 16-bit RGB to 24-bit RGB and vice versa

Are there any image editing or research tools, commercial or otherwise which will allow me to: map colors (images) from 16-bit RGB (565) space to 24-bit RGB (888) space or vice versa save files in ...
1
vote
1answer
1k 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 ...
4
votes
1answer
8k views

Need Guidance for Color Profile Settings in Illustrator

What is the best color profile to start with in Illustrator when designing a Logo that will be used for web and for print? Do you need to work on them in two different files, one with CMYK profile and ...
-1
votes
1answer
874 views

Create consistent greyscale icons from a set of third-party logos?

I have a bunch of third-party client logos in clashing colours. I would like to convert them to elegantly matching grayscale. What I'm after is a set of identical grayscale images of the kind seen ...
0
votes
1answer
1k views

Compute the hue/saturation/lightness shift between 2 colors for paint.net

So, I have a color set up for links on my site. let's say that color is f80021. This is for a particular red theme on my site, complete with colored icons, backgrounds for buttons, etc. What I want ...
6
votes
3answers
45k views

Can you convert a neon RGB color to CMYK for printing?

I have a logo that was done with RGB colors, now I have to work with this logo to do something for printing purpuses, the problem is that in the RGB version of the logo I have a shade of green I ...
2
votes
2answers
173 views

Photoshop Relative Colormetric conversion inconsistent?

The Photoshop relative colormetric conversion seems to be inconsistent. I'm converting from Adobe RGB to sRGB. Settings are as follows: I open the same file twice and run the same conversion. The ...
3
votes
3answers
9k views

Recoloring .eps files

I've got 280 .eps files with QR-codes that I data merge into InDesign. However, I need to change the black color into the company color. I can't find a way of doing this in InDesign directly, so I'm ...
2
votes
3answers
4k 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 ...
3
votes
2answers
12k 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 ...
2
votes
2answers
565 views

How to determine color transformations from given colors?

Our designer has provided us with some nice web 2.0 buttons, etc. I translated them into beautiful CSS3. Now I want to go overboard and generalize the color scheme using Sass color manipulation. ...
5
votes
6answers
676 views

Is there a best way to convert an image from colour to black&white?

This is a simple question but it doesn't seem to be here. My question: Is there a better way to convert a colour image into a B&W (in photoshop) one than just changing the 'mode' of the image? By ...
12
votes
5answers
11k views

What's the point of converting RGB images to CMYK TIF/TIFF before placing them in InDesign?

Currently we receive CMYK TIF/TIFF images of photographs from our design agency (who get them from the photographer). Our in-house designers then place them in InDesign for posters and magazines, or ...
6
votes
3answers
2k views

Completely different interpretation of Pantone to RGB values depending where I look.

I'm making a web site and have been told the corporate color is pantone 2745. In illustrator, here, and here it is a deep indigo color. Here, here, here and here it is a deep violet sort of color. ...
7
votes
1answer
708 views

if you accidently make a document in working CMYK how can you change it to RGB?

if you accidently make a document in proof setup 'working CMYK' is there any easy way to convert the document to RGB without the colours getting washed out?