How do I make black transparent?

[TinPianoMan]

I have an illustration that is currently white on black.

 

I want to make all the black transparent, so I'm left with just the white.

 

How do I do this please?

 

Section of illustration uploaded for reference.

[Affinity Jack]

I have an illustration that is currently white on black.

 

I want to make all the black transparent, so I'm left with just the white.

 

How do I do this please?

 

Section of illustration uploaded for reference.

Hi TinPianoMan,

 

with Affinity Photo:

Click the color picker on the color panel an the right.

Hold and drag it onto the color.

Now the color is recognized.

Then activate this color.

After that click in the menu bar on "selection" - "select chosen color"

Then "backspace" to delete this selection.

E voilà.

 

Ciao Jack 

[dhayton]

Hi TinPianoMan—

Jack’s method works well for making deleting the black in your illustration (or any color). Because I always screw up, I prefer to use masks because they are nondestructive. Here is how I would approach this problem:

 

Use the flood selection tool

Deselect the “Contiguous” option

Set the tolerance at 25%

Select the white

Create a new mask layer

And finally, deselect the pixels (cmd-d)

 

I've made a short video showing the process. The same technique can be used for different colors or shades. You can then create separate masks for each, selectively making different parts of the image transparent.

 

Best,

Darin

 

[Affinity Jack]

Hi DHayton,

 

I agree.

That's the more professionell method.

Masks are always better.

Perfect. And also your effort with the video.

We are a good team in the Affinity Community.

:)

Ciao Jack

[Madame]

Either way.. you can choose the selection brush tool when you have the selection going and use the refine selection in the context toolbar.
That will get rid of the grey edges.

[dhayton]

Hallo Jack,

Vielen Dank für das Kompliment. Und ja das stimmt—die Affinity Benutzer machen ein freundliche und behilfliche Gemeinschaft.

 

Hi Madame,

Yes. That will help remove the grey, partially selected pixels. I should have said that you could also adjust the tolerance up or down to include or exclude more of the intermediate pixels. Thanks for pointing it out.

Best,
Darin

[TinPianoMan]

Thank you, everyone. This is just what I needed! :)

[Erwe]

Es gibt noch eine weitere Möglichkeit: die Ebenenmischung

in diesem Fall kann man den Wert für die Quellebene auf 100% setzen.

 

 

There is yet another way: the layer mixture (I don't know the correct translation)

in this case you can set the value for the source level to 100%.

 

 

[TinPianoMan]

Ah, yes, of course. Very simple option.

 

Danke schön, Erwe :)