Questions about the different ways color can be quantified and indexed, like for example GRB, CMYK, Lab or HSB. Also applicable to questions about communicatin between different color spaces.

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35
votes
10answers
26k views

What is the difference between CMYK and RGB? Are there other color spaces I should know?

I'm a photographer, who dabbles in graphic design from time to time as well. What are the differences between the various color spaces?
9
votes
3answers
2k views

Choosing colors that work well on projectors

When specifying colors for use in a software user interface, what's the best way to ensure that those colors will look acceptable on all common display technologies: CRT, LCD, and in particular ...
21
votes
9answers
8k views

RGB and CMYK: Why both?

Any of you who have at least little experience with graphic design software, photography or professional printing, must have -almost undoubtedly- have gone through this: 'the struggle' of RGB and CMYK ...
10
votes
2answers
2k views

How to calculate other colors with the same perceived lightness as a given gray value?

This is related to a question I asked on tex.stackexchange, which has a color aspect. The result of that question is the following image: I have drawn a series of gray squares on the left, with a ...
5
votes
1answer
163 views

Color loss during colorspace conversions

Why are conversions from a smaller colorspace to a "larger" one often lossy? How can a smaller gamut have colors that cannot be represented in a larger (overlapping) gamut?
13
votes
7answers
12k views

How to convert RGB colors into 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 ...
7
votes
1answer
153 views

Is there a metric for “apparent” chroma?

I'm not sure this is the right place to ask, but is anyone aware of a metric for apparent chroma? Now I understand that "chroma" and "chrominance" are very overloaded terms, so to clarify, I ...
3
votes
2answers
33k views

Indesign RGB color space

Is there a way to set the colorspace to sRGB in indesign? I remember doing this in indesign cs3 years ago and i can't recall how to do this for cs5.
1
vote
2answers
313 views

Is there a printing press that can print a book directly from the RGB space?

I have a book ready for printing. But, of course, it was done in RGB. In fact, I stretched the RGB gamut beyond its normal range in order to make it more painterly etc. When I saw it converted to ...
1
vote
3answers
991 views

Laptop screen for digital design

I am searching for a laptop with a screen that is suitable for digital design purposes What I am particularly concerned about is a statement made by a poster (on here): (the objective is to) make ...
0
votes
2answers
151 views

Finding intermediate colours between two xyY colour points

I am working in an application where I need to know the intermediate points between two xy coordinates in CIE 1931 colour space. In the picture below we can see that a linear transition (straight ...