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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2
votes
0answers
141 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 ...
0
votes
0answers
234 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
384 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
1k 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
768 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). ...
2
votes
3answers
130 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
1k 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
71 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
873 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
12k 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
2k 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 ...
3
votes
3answers
781 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 ...
12
votes
1answer
3k 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
1k 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 ...
0
votes
1answer
1k 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
6k 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
2k 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
716 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 ...
-1
votes
1answer
904 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
5k 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
736 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
175 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
598 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. ...