I want to make a transparent image, so I made image's background transparent like this.
But exported PNG image was not transparent, it was kind of gray.
What am I doing wrong?
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1How are you viewing that exported file?– Michael SchumacherMay 27, 2015 at 5:50
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5You still have some grey in the "wannabe" transparent areas you need to remove.– ScottMay 27, 2015 at 5:51
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My five cents. Can you tell us something about the application used to display the PNG exported image? Is possible that the background of the application (e.g. a Browser or something else) is set to gray? What kind of background are you expected to see? Can you post somewhere your PNG?– Paolo GibelliniMay 27, 2015 at 12:55
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@Scott Thanks! That is exactly the problem! I didn't noticed there is still gray color in the transparent area.– ironsandMay 28, 2015 at 3:32
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1 Answer
To remove an overlay of grey to an alpha channel as is the case of the example we have to remove the alpha channel (Layer > Transparency > Remove Alpha Channel) first.
We then can convert the background gray back to alpha by choosing Layer > Transparency > Color to Alpha.
In the window that opens click on the color bar (defaults to white) to open the color selection tool. We can now either manually select a color or use the Select Eyedropper Tool to select the grey background color:
After conversion your background will be 100% transparent
but alas on putting this on a dark background we can see that some pixels coming from anti-aliasing at the borders of the red font will retain their original grey:
To avoid this we need to take care to work on a 100% transparent background in the first place.
