Questions about RGB; short for red, green, blue. It's the colour process and model used in colour visualisation on digital devices. Ask anything relevant to graphic design about the RGB colour model.

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4
votes
3answers
616 views

A selection of colors that spans the range of the RGB color spectrum?

Below is a screenshot of a small application I am building. I would like to cover the most significant colors from whole color spectrum, but I am missing lots of colors. I don't get the intended ...
8
votes
1answer
6k views

What is HSB really?

Can any of my graphics designer friends explain HSB to me? I know it's hue/saturation/brightness and I know what those three do (for the most part)... I understand the algorithm of creating colors ...
9
votes
2answers
8k views

What's the difference between Monitor RGB and sRGB?

Since the output is web, RGB is choosen, but is there any difference between "Monitor RGB..." and "sRGB..."? In Photoshop, they are both under color settings > working spaces > RGB
2
votes
1answer
3k views

Adobe InDesign: how can I get the CMYK code from a color that I have saved in RGB in the swatches?

I'm making a work for school and I have to put together color palettes for some pictures. I also want to indicate the RGB and the CMYK code but when I get a color from a picture with the Eyedropper ...
3
votes
1answer
524 views

How to get RYB complementary colors in RGB imaging software

I am looking for a way to get RYB complementary colors in software. This means, complementary color pairs I am looking to get would be: red - green yellow - violet blue - orange However, when ...
1
vote
1answer
79 views

Proof printing for the web

I had this debate with a colleague and we didn't see anything solid or something from a search that would answer this with certainty so I thought I would open it here. You are designing a website or ...
19
votes
1answer
575 views

How to get standard results in colour management in Linux

I have recently calibrated and profiled my screen, with a ColorHug device. I'm using Gnome, and have the profile installed through gcm. When opening an image in GIMP and DigiKam, the results are ...
5
votes
4answers
832 views

Simplest set of inks that could print the RGB gamut?

Artist Tauba Auberbach produced this recently: It's called RGB Colourspace Atlas, and is a physical, printed book of what it implies is the whole RGB colour space. Is there an existing ...
2
votes
2answers
615 views

Why are my colours outputting so differently in Illustrator

Despite trying various colour profiles across Illustrator and CS5 I seem to keep running into save for web, export and screen-grabs (used as a more accurate last resort) issues where the colours I'm ...
3
votes
1answer
572 views

“Black text has been set up so it prints as 4 colours, rather than just black” - what?

I'm currently dealing with a printer, who I've been working with for a year or two. We've sent off to had one of our brochures reprinted - the same files as last time, except now they're having some ...
0
votes
1answer
2k views

Color palettes - RAL to hex or RGB

I'm looking for a way to transform the RAL color palette to hex or RGB so I can use the colors in CSS (all/any of them). Is there an XML file someone can point me to, or a database somewhere, that's ...
2
votes
1answer
993 views

Colour of gradient overlay changes when saving for web and devices in Photoshop CS4

I have an image with a linear gradient overlay (banner image on this page EDF Energy - Our Campaigns. I have set the RGB colour in CS4 to R: 29 G: 31 B: 79. However, when I save the file for web the ...
19
votes
8answers
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 ...
0
votes
1answer
129 views

Color space term? (RGB / I values)

I found ascii document with 3d data. It was said: ascii text file of point cloud with RGB / I values Here you can see part of document: 0.805, 10.301, -1.860, 165, 66, 65, 66 0.806, 10.311, ...
1
vote
2answers
576 views

How do I use a RGB image/layer with a Greyscale image/layer?

I'm using Photoshop CS4 and have a project where I'm using a layer/section of brushed chrome and another adjacent layer/section in charcoal carbon fiber (pattern) background. On the CF layer, I'm ...
3
votes
3answers
491 views

Getting an Accurate Colour Match in RGB

I'm designing a website at the moment. The client's corporate colour is PANTONE Black 2C (made up of 70% Black and 30% Yellow). Now, when printed it comes out very dark but with a hint of yellow. ...
4
votes
3answers
14k views

Is there a freely available CMYK color chart that I can print on press and work with?

After reading the answers to my previous questions, How does a monitor display the CMYK color? Is it actually showing the true CMYK color? I'm very much convinced that I need to profile my monitor if ...
8
votes
3answers
16k views

How does a monitor display the CMYK color? Is it actually showing the true CMYK color?

Suppose I'm designing something for printing purposes. Then I need to stick with CMYK model. When ever I'm choosing color while designing, I'm setting color based on what my monitor shows me as CMYK. ...
1
vote
2answers
19k views

Problem converting color from RGB to CMYK for print

I designed a poster in CorelDraw X5 for printing purposes. I was told by the Printshop guy to use colors only in CMYK. For the most part I did, I don't know why I missed it but I used one color in RGB ...
2
votes
1answer
3k views

Converting bar code to CMYK “True Black”

I have .tiff. Part of the .tiff is a bar code. My printer is insisting the bar code be converted to 100%K - CMYK "pure black". (Their words) A couple obstacles: 1) The Bar Code has been scaled up. ...
8
votes
1answer
5k views

If I make a design in RGB mode and then change it to CMYK how will it look when it's printed?

I'm making a business card in Photoshop and it needs to be in CMYK mode. Now, I'm using a logo on it that I previously made for the client in RGB mode and when I put it into the CMYK mode business ...
5
votes
3answers
73k views

how to change the workspace color window from RGB to CMYK mode in Illustrator CS5.1?

I'm using Illustrator CS5.1 and started a new document in RGB mode. When I change the color mode to CMYK under File > Document Color Mode > CMYK Color, the Color window in my workspace doesn't ...
4
votes
2answers
2k views

Colouring illustrations - RGB or CMYK?

I am in the process of colouring a series of hand-drawn illustrations in Photoshop using a graphics tablet. The colouring process takes place mostly using Photoshop's native drawing tools - the ...
4
votes
3answers
8k views

PANTONE and color conversions

I have been given a standard color palette. The colors are defined in terms of PANTONE #### X for example PANTONE 1234 C. Followed by their CMYK, RGB and HSB values. Another page defines ...
0
votes
2answers
1k views

Photoshop CS4: PDF subsequent saves toggle between dark and light black output?

I'm working in several CMYK .PSD documents. Whenever I save them as .PDF, the first PDF generated always appears as a more rich RGB-looking black (on-screen at least). Changing maybe a few ...
13
votes
5answers
13k 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. ...
2
votes
2answers
5k views

Translation of Hex Colours to RGB Colours?

Apparently Illustrator and Photoshop uses different colour settings - Illustrator uses RGB and Photoshop uses some hex/HTML-like colour system with a combination of letters and numbers. Is there any ...
18
votes
4answers
8k views

What's the difference between CMYK Black and RGB Black

I know this sounds a stupid question, black is black right? Wrong: It's black right? so why are the CMYK Values so far away from black?
35
votes
10answers
23k 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?
7
votes
1answer
738 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?