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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2
votes
1answer
4k 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 ...
5
votes
6answers
639 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 ...
3
votes
1answer
7k 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
801 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 ...
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 ...
7
votes
1answer
673 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?
2
votes
2answers
168 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 ...
2
votes
2answers
521 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. ...
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. ...