The original image I do have is the one on the top of this screenshot, I would like it to have a black background. The problem as you can see below is the loss of clarity whenever it has a dark background.

enter image description here

Long story: I need that image to appear as a tile of a menu in a website (http://www.sharpmix.com/) that has a white background. I guess this is the way to go but I'm not a graphics designer at all, any ideas are welcome.


Thanks everyone, I've ended up with this:

enter image description here

  • 2
    Zoom in on your black image... there's matting on it which makes the edge pixels darker.
    – Scott
    Aug 6, 2014 at 19:33
  • Ok I thing I am understanding what you're pointing out, going to see if I can change that at the source. Thank you.
    – aybe
    Aug 6, 2014 at 19:52

2 Answers 2


I'm guessing you used the magic wand tool to select the white background with tolerance set at 32 and anti-aliasing on. If I do that, I get the same result.

Instead, set the tolerance to 1 and turn off anti-alias:

Magic wand settings

Here's a comparison of the difference:

before and after comparison

Zoomed in for better detail:

enter image description here


It's normal. When you make the background dark gray, you decrease the contrast of your image. Maybe you should INVERT it:

enter image description here

Inverting it changes the colors. Playing with blending modes you can get this:

enter image description here

It really depends on what effect you are looking for.

  • I'm just looking for an 'ok' thing, it does not have to be perfect. Thank you, I am going to try what you've suggested and come back here.
    – aybe
    Aug 6, 2014 at 19:49
  • This has nothing to do with the contrast. If I had to guess, I would say this is the result of anti-aliasing from a magic wand selection
    – JohnB
    Aug 6, 2014 at 20:07

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