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.

learn more… | top users | synonyms

2
votes
2answers
537 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
475 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
896 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 ...
17
votes
8answers
6k 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
122 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
518 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
441 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
2answers
12k 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 ...
6
votes
2answers
13k views

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

Just few moments ago I asked a question regarding RGB to CMYK conversion. say, RGB (86,92,214) the color in my image. Then monitor uses same values for displaying (lightning LEDs, LCDs or CRTs). ...
0
votes
2answers
15k 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
4k 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 ...
3
votes
3answers
59k 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
1k 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
7k 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 ...
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. ...
1
vote
2answers
4k 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
7k 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?
34
votes
10answers
18k 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
688 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?