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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0
votes
0answers
23 views

Eliminating shadows and equalizing color tone on pattern

I am attempting to take this image and fix it so it is a flawless pattern, the problem is the uneven colors across the image. I want the image to all be the same color, about in the middle between ...
2
votes
0answers
82 views

How does one generate a palette similar to the ones in Google's material design?

Google's material design specifications have sets of colour palettes: Starting with a base primary colour, which they designate as "500", they then have a range of incremental steps of shade, ...
5
votes
1answer
383 views

What ICC profiles does Adobe Illustrator use to convert between RGB and CMYK in its color picker?

I'm trying to understand Adobe Illustrator's color conversion method between RGB/HSB and CMYK. I'm pretty sure they use ICC profiles to do the conversion, and they make a bunch of ICC profiles ...
0
votes
0answers
20 views

Set default colour setting in CorelDRAW X6 to a given system (eg. HLS, RGB)

The colours in my projects are usually set to RGB at first, but there comes a time where I really would like to adjust them slightly using HLS. Currently, I need to: Select the object, Click to edit ...
1
vote
1answer
124 views

Which red and green colors look still different when printed as grayscale?

I'm looking for red and green colors which are still really distinct when printed as a grayscale image. My current color values (224,133,0 and 168,181,10) are really industuingable on paper.
1
vote
1answer
2k views

How to change index image to background image in Photoshop

I have recently opened some images and in the layers palette, instead of saying "background" it says "Index". I have been unable to figure out why it says "index" and cannot do anything to the image ...
8
votes
1answer
170 views

Creating a color scheme that looks good on screen and when photocopied in black and white

I'm trying to create a color scheme for text headlines that will have distinctly different colors for each level of header, but will also print out mostly dark. I looked at http://colorbrewer2.org/ , ...
2
votes
1answer
68 views

How can I translate CMYK to Pantone colors?

In particular, how do I translate CMYK 90C 85M 80Y 63K to a Pantone color?
1
vote
4answers
5k views

Make image high contrast - 2 tone black and white

Ive got a bunch of logos i want to display on a 'press' page, the logos all have different color schemes, which clash so i want to make all the logos black and white, no greyscale, just 2 colours, ...
2
votes
2answers
222 views

Alternatives to Adobe Acrobat Pro for color conversion

I'm looking for alternatives to Adobe Acrobat Pro for converting the color profiles of PDFs for newsprint. I commonly use Acrobat Pro to prepare files for four color offset printing. The color ...
1
vote
0answers
61 views

Derive color palette from given set of colors

I have a set of colors on a webpage where one color is the main one: #864062 <-- main color #853f61 #925071 #541c38 #64304A #eac9d7 Now I would like to derive similar color scheme for any ...
6
votes
3answers
32k views

Can you convert a neon RGB color to CMYK for printing?

I have a logo that was done with RGB colors, now I have to work with this logo to do something for printing purpuses, the problem is that in the RGB version of the logo I have a shade of green I ...
2
votes
1answer
166 views

What to do with negative Values in HSV?

in my c#-application, I use an RGB to HSV (and back) converter for changing a specified color-spectrum to another. In the actual case: rgb1=5,122,255 to rgb2=22,165,220 similar colors to rgb1 will ...
2
votes
2answers
938 views

How to make a smooth PMS gradient transition in Illustrator

I'm currently working on versions of a logo that has some gradients. CMYK looks fine but I'm getting poor results with PMS. I would normally fix this by building a mixed ink in Indesign but it doesn't ...
1
vote
4answers
4k views

Pantone color conversions

I am a bit of a newbie with using pantones and the pantone color guide. I am currently working on a branding project where we will have print material in both pantone and cmyk, and also on screen rgb ...
0
votes
2answers
76 views

Transform colors given 2x2 color pair in Photoshop

I would like to transform colors in the attached image (and other hundreds) defined by the following rule: 1) the lightest blue became the light green (exactly like as in the upper right color ...
4
votes
2answers
291 views

How do two different colors match in strength?

I am not a designer, just an average man with no business in graphic design. But sometimes I see two colors in an ad or in the clothing shop and I can say that they are a perfect match. As if they ...
1
vote
2answers
91 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
69 views

Is there a quick way to prep an illustrator file with tons of strokes and fills for screen printing

I needs to look like it looks here with three different pics for screen printing. Is there any way to do this quickly or do I have to do it manually?
2
votes
0answers
55 views

What is happening to my colorbar when I open Illustrator?

I usually create figures using something like Matlab or Python; then I use Illustrator for final touch-ups and things. Unfortunately, I'm having trouble with the colorbars when I open my figures in ...
3
votes
3answers
267 views

Illustrator: Getting solid color values from transparency?

I created a logo in illustrator and after much experimentation, settled with a design which the client approved. The problem is, some shapes have a transparency of 60% which looks amazing on white ...
0
votes
0answers
79 views

Replace color for all layers

I have a file with about 500 layers, and I need to replace a color in all of them. I looked through different solutions here and elsewhere, and they all suggested using an adjustment layer or ...
1
vote
1answer
210 views

Photoshop: Change pattern color gives me a washed out effect

I'm trying to change the pattern color from a very light gray to a dark blue. I've used the color blending mode, but the result is a washed out color. Is there anything I can do to have a dark color ...
1
vote
2answers
325 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 ...
8
votes
2answers
309 views

Does hue/sat/lum offer a smaller range of colors than RGB?

All values of RGB should be unique and distinguishable, meaning there are truly 256*256*256 colors. In HSL, however, if L=0 then H and S can be anything, but you still get the same color (black). ...
6
votes
2answers
2k views

How to make a logo single-colored?

I'm trying to convert a bunch of company logos to one single color (not just black and white). It's for a website I'm working on, for the "We support those products" type of thing. Here's what I'm ...
2
votes
3answers
83 views

Turn all colors brightness to 50

I need to edit a picture and convert all single pixels mantaining hue and saturation but changing brightness to 50. Is there anyone who knows how to achieve this result on Photoshop or with any other ...
1
vote
3answers
370 views

Change Color Of A Monotone Icon To Another Color

Basically, I'm a programmer and I'm pretty new to graphics design, and I don't have much knowledge of the keywords used by the graphic design community. That's why I'm facing problem in googling this ...
1
vote
1answer
61 views

How do I alter the colors of a raster image with GIMP?

I'm somewhat new to GIMP and I was hoping to take a logo like this: And to change the colors of the background and font as someone did here: Except I'd like to do it with different colors. Is ...
1
vote
2answers
664 views

While printing a CMYK file to Adobe Pdf, the CMYK values change [closed]

I have created an application that produces CMYK documents. They print well in "Microsoft Xps document writer" and are still in CMYK and carry the exact color values I've designed in my application. ...
3
votes
2answers
10k views

How to convert a raster image into vector?

I'm trying to convert a icon from .psd format to vector. Here is my .psd file snapshot. This is my converted(Vector) file snapshot after live trace. I mean it has lot of blurs. I need pixel ...
8
votes
1answer
1k views

Is there anything that can read, import or convert CMYK SVG?

Short question: I have SVG files with CMYK colours, specified as according to the SVG specs. I want to get this into a design program - any design program - to finalise the design and prepare it to ...
2
votes
3answers
434 views

How to colorize a layer with semi transparent borders to a specific color in GIMP?

I have an white icon that needs to be colorized to a specific color. How do I do it in GIMP? Keep in mind that it has semi transparent borders and transparent background, so using the bucket or ...
10
votes
1answer
1k views

How to make a color appear the same on different backgrounds?

Background on color perception: Due to the nature of the human eye and visual processing by the brain, there's an optical illusion that the same color will look different depending on the background. ...
0
votes
1answer
265 views

Invert Colors of an and get a specific color scheme

If you invert the colors of a photo you make them the colours of their exact opposite and it usually creates this really nice effect. For example, in this tutorial, an image with browns and greens ...
10
votes
4answers
8k 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 ...
3
votes
1answer
2k views

Differences in color conversion (RGB to CMYK) / How to choose Corporate Color

I figured out that there are possibly more than one methods to convert RGB to CMYK. Using Adobe Illustrator CS6 (Mac) the color conversion is completely different as the conversion via Wolfram Alpha. ...
0
votes
1answer
843 views

Compute the hue/saturation/lightness shift between 2 colors for paint.net

So, I have a color set up for links on my site. let's say that color is f80021. This is for a particular red theme on my site, complete with colored icons, backgrounds for buttons, etc. What I want ...
2
votes
1answer
3k 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
996 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
586 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
5k 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
693 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
3k 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
600 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
6k views

Recoloring .eps files

I've got 280 .eps files with QR-codes that I data merge into InDesign. However, I need to change the black color into the company color. I can't find a way of doing this in InDesign directly, so I'm ...
2
votes
2answers
165 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
467 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. ...