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.

learn more… | top users | synonyms

1
vote
1answer
32 views

What is the difference between 32 Bit Float and 32 Bit fixed pixel types?

I am using a real time graphics program that offers the following "pixel formats". I understand many of them but one thing I do not understand is the difference between float and fixed. Why would ...
4
votes
1answer
75 views

What's the relationship between color spaces and color profiles when working in Photoshop?

What's the relationship between a color space document and the color profile of a image or layer included in this very same document? I don't get how they work together, I was told that my exported ...
3
votes
1answer
43 views

EPS file looks great in AI but washed out in Mac Preview or ghostscript

I have an EPS file that, when opened in Illustrator, looks great. AI can export to a PNG that also looks great. When I open this file with Preview on OSX, or use ghostscript/imagemagick to convert it ...
3
votes
3answers
127 views

Need help understanding the difference between RGB and CMYK [duplicate]

I am a web developer that fancies myself on being graphically savvy, but I am far from a graphical designer — everything I need is able to be done in raw HTML and CSS. The marketing director at our ...
0
votes
0answers
17 views

How do I calculate the location of a complementary colour on the CIE spectrum?

I am trying to answer the following question: Assume that white is at location (0.3, 0.3) on the flat CIE spectrum. Which is the location of the complementary color for the color located at (0.4, ...
3
votes
1answer
42 views

Is there a clean way to use primary colors as a partial background in a book cover?

A lot of UI guides advise against using primary colors as a background for text. I'm in the process of designing covers for a series of 4 books, and I thought it would be good to have a band across ...
3
votes
1answer
25 views

Why won't my RGB file print as RGB in InDesign?

In InDesign, I have a file that's RGB (and I set the 'intent' as web, so the program is reading it as an RGB document-I could see it), but it's printing CYMK. what printer settings do i have to ...
3
votes
2answers
99 views

How should I match Pantone / CMYK / RGB colors for my designs?

I am going to buy Pantone (C/U) and CMYK (C/U) patterns. How should I choose the colors for my designs? First CMYK, then Pantone and RGB last?
0
votes
1answer
15 views

HSL/HSB/HSV hue linearity?

The easiest way to pick (non-professional) color schema is to use free on-line instruments, like https://color.adobe.com/ or many others. If I choose 0 degree, calculator set complementary color to ...
6
votes
1answer
143 views

Help me understand how the “RGB Colorspace Atlas” by artist Tauba Auerbach was made

http://www.thisiscolossal.com/2012/09/tauba-auerbachs-rgb-colorspace-atlas-depicts-every-color-imaginable/ The "RGB Colorspace Atlas" by artist Tauba Auerbach is supposedly every RGB color, ...
0
votes
0answers
32 views

How can we see the difference between RGB and sRGB spaces?

RGB and sRGB I found were said to be two color spaces the former adding some kind of a standard. There are a lot of details about what their difference actually is but how exactly can we spot or see a ...
1
vote
0answers
73 views

How do you tint/lighten a color in Sketch?

I can't figure out how to simply add white to a color in Sketch. In Illustrator this is as simple as making it a spot color and dragging the slider in the Color panel, but Sketch only lets you adjust ...
2
votes
2answers
268 views

Brand Guideline Colors Don't Match Pantone [duplicate]

I'm in the process of starting a new company, and am trying to create the brand guideline document, so I'm having to learn all about RGB, CMYK, and Pantone from scratch, so apologies if this is a ...
4
votes
3answers
185 views

HSL instead of HSB in Photoshop CC 2015

I'm a front end developer and I'm having issues with Photoshop. I have the HSB value in the Color Picker but I can't use it, because I need ligthness instead of brightness for CSS purposes. That's a ...
0
votes
1answer
77 views

Swatch books by Pantone: CMYK Color guide or Color Bridge guide?

I would like to buy a swatch book by Pantone - I mostly work with CMYK colors and was thinking of getting the standard CMYK Color guide when, I realised that the Bridge guide also had CMYK swatches as ...
9
votes
4answers
573 views

Regular colors vs Muted colors

What are muted colors? How do I create muted colours? How do I convert standard colors to muted colors? Why do muted colours look the way they do? Why are they different? Here is a bunch of colors ...
0
votes
1answer
57 views

Same view, different hex codes. Which one is true?

I'm working on Yandex social media covers and the problem is the yellow. First of all, this is my color profile (same with the project owner) And the code given to me is #fedc4a. But when I export ...
2
votes
1answer
173 views

CMYK color space?

I open an EPS file containing a company logo (using Illustrator), and see that the color they used is described as C,M,Y,K values in percentage. But I don't see any kind of color space attribution. ...
0
votes
0answers
19 views

Is there a Color Profile or Swatch for CMYK + Photo Magenta, Lt. Cyan?

Was wondering if there was a color book or swatch that could be followed to ensure an accurate output with 6-cart inkjet printers when designing with Illustrator/PS?
2
votes
2answers
167 views

What's wrong in this “logo”?

I'm trying to do a logo for myself, just to put it in my apps. I just drawn (by hand) my Surname-Name, flipped the name vertically, added a background as you can see. I know that usually there is a ...
1
vote
0answers
32 views

How many Pantone colors? [duplicate]

I have an illustrator file (it's a packaging design going to be printed) which I didn't design it myself. I see so many Pantone colors in the swatches panel; the person who designed it used many ...
3
votes
4answers
387 views

Why are Pantone Color Bridge (UP) so different to Pantone Solid (U)?

I've recently bought Pantone Uncoated Color Bridge fan guide (I've owned Formula Guide for some time now) — it's great. What surprises me though is the obvious color shift in Color Bridge (UP) colors. ...
5
votes
0answers
246 views

Embed color profile into a PDF with Inkscape

I'm using Inkscape v. 0.91 under Linux Slackware, compiled from the source with the default options. The printing service I use requires the "ISO Coated v2 300% (ECI)" color profile, which I have in ...
5
votes
2answers
246 views

Do designers use different color palettes for web and print design?

I'm designing a brand for a startup company, (new to freelancing) and I'm trying to make my color choices suitable for printed documents as well as displaying them on web. Using Illustrator (doc in ...
3
votes
1answer
358 views

How to create a color of the same brightness and saturation?

Let's consider three colors: Red, Green and Blue. For blue I created a specific shade, something like #F2F5F7. If you see this color, it has a certain level of shade, brightness and saturation value ...
1
vote
2answers
499 views

Color not transferring from Illustrator to Photoshop [closed]

I have an Illustrator file and a Photoshop file, both are setup as RBG color spaces. But when I copy and past from Illustrator to Photoshop the color changes. For example #b74eab becomes #a6349b. I ...
8
votes
1answer
727 views

What is six-color (6C) process printing?

What is 6 color printing, is it multicolor process printing? What setting do I have to keep in Photoshop, Do I have to create an extra channel in the channel palette?
1
vote
2answers
259 views

Can I display CMYK in RGB format easily?

When designing for print I obviously use CMYK, however I'm always a bit unsure of how colours will turn out because monitors work on RGB so the colour you are seeing may not be representative of how ...
0
votes
2answers
257 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 ...
4
votes
3answers
342 views

Why can't I just download a premade color profile from the internet for my monitor?

Shouldn't the manufacturer of my monitor already know how it differs from the standard?
-2
votes
4answers
3k views

How do I find out what color mode an image is in Illustrator?

I am using one image. I just want to know in which format it is: CMYK or RGB? How do I find this out in Illustrator?
0
votes
0answers
15 views

Is there a colorspace atlas available in stock somewhere? [duplicate]

There are lots of pictures of an RGB colorspace atlas designed by Tauba Auerbach: http://www.designboom.com/art/tauba-auerbach-rgb-colorspace-atlas/. I wonder if there are such things in stock ...
1
vote
1answer
2k views

How can I correctly convert a CMYK Photoshop PDF to sRGB?

I'm working with an artist to create a comic, which will be printed eventually, but which is currently being serialized online. The artist is working in CMYK in Photoshop, on the theory that it's ...
5
votes
1answer
154 views

How large are the HSL/HSV colour spaces with respect to Lab?

I could find numerous resources that specify how colour spaces such as RGB, sRGB and CMYK cover a part of the CIE XYZ Lab colour space. I could find numerous graphics displaying the RGB and CMYK ...
1
vote
1answer
57 views

A quick and reliable test for linear a nonlinear color response with a given application / hardware?

There is an insane amount of confusion between linear and non linear response to color mappings, it depends on the drivers, the software, the hardware, the settings in your applications, what kind of ...
1
vote
0answers
131 views

What makes a matte color? [closed]

Is there a way to measure how matte a color is? My guess is that "matteness" could be expressed as a combination of saturation and lightness. Ideally, there would be a color space where matteness ...
0
votes
0answers
73 views

Why are two different CMYK colors printed equally?

With Inkscape, I drew two rectangles, one with CYMK 20/100/0/0 and the other with 2/56/0/43. Since those two colors are different in the CMYK color space, I expected them to print in different colors. ...
0
votes
1answer
73 views

How do i get Quality Printout Settings

How can I get a sharp and quality print with the right color settings? I use a windows version of Photoshop CS6. I get my colors looking nice on the laptop but after print, the colors either ...
4
votes
2answers
3k views

Should I use Hex or RGBA when designing a website?

I know this has appeared on StackOverflow already: Are there any good reasons for using hex over decimal for RGB colour values in CSS? Use HEX or RGBA But I'd like to ask on here since we're ...
0
votes
0answers
102 views

Illustrator changes colors over several days?

I'm working on a web project from a few days ago and every time I open the Illustrator to continue working following day, the colors went much darker. And the colors that I didn't touched from the ...
0
votes
1answer
805 views

How to convert RGB to CMYK color code?

I want to convert RGB to CMYK color code, but unfortunately, I have some problem with colors. I want to use this color #31C68B in Photoshop, and after that I want to print that for Visit Card and the ...
0
votes
1answer
152 views

Why does the color model still matter?

In applications like inDesign and Photoshop, you get to chose which color model you want to use, RGB or CMYK for instance. But why does this matter? Both RGB and CMYK can be used to describe several ...
14
votes
7answers
22k views

How to convert RGB colors into CMYK (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 ...
2
votes
1answer
248 views

Choosing appropriate text color with given background

I have an image with green background, lets say #5F7642. I need to add small text in red color over that background. The problem is, usual red colors pretty much fade in with the background. I need ...
2
votes
1answer
785 views

Global color settings for illustrator / keeps switching to gray

Is there a setting in illustrator that will make all of my colors, in all new projects, RGB? I'm not really sure why it often ends up as grayscale. I only use RGB for web assets and having to change ...
0
votes
1answer
238 views

Interpreting color function and adjusting pixels values

Here is the definition which I read from the net source 1st is Midtone: Situated between the darkest tone (Black), and the brightest tone (White). For a 24 bit colour image, this occurs when ...
1
vote
2answers
390 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
2answers
2k views

Open source software to reduce colours to custom optimised palette (quantize) (for paint-by-numbers)

I want to manipulate a photo so that the number of colours is reduced significantly (to say 15-50 colours which I would specify the number). I would like those colours to be automatically optimised ...
7
votes
2answers
67k views

Why am I only getting grayscales / monotones when applying colors in Adobe Illustrator?

When I try to change the color after tracing a JPEG image in Illustrator and expanding it, it becomes gray. I have tried lots of color changes but the result is always the same. Why can't I change ...
1
vote
0answers
35 views

How to get CMYK colors on screen to match newsprint [duplicate]

I work at with ads in PDF format at a newspaper. Before exporting, I always convert all the colors to CMYK, however when we get the paper back from the printer, the newsprint color hardly match the ...