: Convert complex artwork into single color I created this logo for a client, and I now need to convert it into one color versions (all black/all white). Because there are so many overlays

@Si6392903

You need to understand several things. If you do not separate the "fundamental" vs. the "accidental" you are flying blind.

Your artwork is an illustration, not a logo. A logo is defined by a shape, not by a gradient, not a lens flare, not a color.

I present you, your logo. And in this illustration is a dark image over a background.



It is not a white shape with an outline. The outline is an "accident" it is not the shape.



Then we have a background, a gem with stars, a city, and a grid. Yes, if you worked on that idea you potentially merge into a logo, but not as it is.

Let's see some examples of a gem logo Gem Logo search

But let us work on what we have. Let's contrast this. Dark night, bright stars and grid (the method I used "deleted" the lines on the upper part of the gem, but you got the idea):



We have a problem with the cityscape, but it is starting to get a shape, some buildings in white, some in black.



The black ones are not well defined, so we are going to rely for the first time upon the outline. The same as the outline of the logo (the real logo).



Now the title. Yeap, that is a title, not part of a logo. The problem here is that as it is it relies totally on the simulation of the material but that effect depends on the gradient, and a gradient is not black/white but grayscale. You probably need to redo that part with simpler shapes.



So, you need to understand the elements one by one. Of course, you can make adjustments on the values of the outlines, etc. As you have the source files you can work better on this version.

Here I made the outline of the logo wider.



Understand the elements, why they are dark, why white, what is a background, what is important, what is the shape, what is the proportion, what is just an effect.

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@BetL875

As other answers mentioned, there isn't really an automatic way of doing this, it would have to be done manually.



You said you were trying to get the stroke from the text punched out, so here you go:

Select your Text Paths → Clone (Ctrl/Command+C:
Ctrl/Command+F)

Then go to Object > Path > Outline stroke (this will convert your stroke into paths, depending on how thick your stroke is is how the paths will be shaped)

Then you can just punch out the "outline part" using Pathfinder

Window → Pathfinder (Shift+Ctrl/Command+F9)

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@Candy945

Simple adjustment only. Just Try if it work.
1)First Export it as PNG in High resolution or Directly drag the file to photoshop(rasterize it later).
2)Open it in Photoshop>Use black and white effect> adjust the lines or color you want to pop up.
3) Save (See if you have option for saving SVG or PDF because you can revert it back to AI but now the Gradients are pure Black and White)

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@Ravi4787994

Automatic creation of line drawings is an ongoing research area. You might try playing around with github.com/SSARCandy/Coherent-Line-Drawing but I'm certain you will need to clean up whatever it produces.

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@Heady304

One approach you might find helpful is to edit the colors directly via global swatches. If you didn't use global swatches to create the original, you can easily assign them automatically.


Delete all of your current color swatches to reduce swatch clutter. Judging from your image, your swatch list is about to get a lot of new additions.
From the swatches flyout menu, select "Add used colors." This will create a global color swatch for every color used in the artwork and assign the swatch to each object that uses it, including gradients.
Change the color mode of each of the global swatches to grayscale. This will be a bit tedious if you have a ton of swatches, but it goes pretty quickly.


Once that is done, you can tweak the individual swatches as desired to boost contrast where it's needed.

To be clear, this method allows you to manage and edit the illustration's colors without selecting any of the individual components. It's very handy for complex images like yours.

I hope this helps!

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@Kevin459

The artwork would need to be simplified. You may need to redo parts of it.

If you consider the lettering issue, a single black outline around the text might be one way to proceed, and a solid black shape of the city skyline perhaps.

This is very rough, but I'm sure you get the general idea.



Or perhaps have the diamond fill black, with a white outline, and the lines inside white



One problem with these which I don't think is solvable, is that the artwork is still very complex. With this in mind, it might have been better to begin with a much simpler design if you had known it would have to be reproduced in a single colour.

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@Turnbaugh909

You're unlikely to find a way to automagically convert something that complex; so you'll have to manually re-do everything in a single color.

You have all of the paths, so you shouldn't have to re-draw anything, but you will need to go through it all manually adjusting everything. Probably a single element at a time. Without seeing how the artwork is constructed it's impossible to give any specific advice, but plan how you want the logo to look first, don't just randomly go in changing everything. That may be printing it out and drawing over it or just sketching it out again, it doesn't matter, but have a plan of action and a vision before you start.

The single color version should really just be simple paths, with no gradients or shadows or glows or anything like that; what you need is a single shape. So your best option is probably to remove the appearance attributes from everything then start reapplying color from the bottom up. You can use two colors (e.g. black and white) then simply use Pathfinder's Unite command on the whole thing and removing one of the colors once you're done.

...

Ideally a logo should always work in a single color. That means you can use it to create a stamp, have it engraved, laser-cut... whatever. There's nothing wrong with having a full color, all bells and whistles version too, but the single color version should come first (or at least be considered at the same time). Otherwise you have problems like you're facing now... which if you haven't considered and have already priced up the job for your client means someone isn't going to be happy (either the client because of the extra costs, or you because of the extra time you've got to spend).

See also Should a logo always work in black and white?

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