For some reason this PNG with a transparent background shows up with white edges but only when on a grey background of nearly the same shade, it's fine on black or light grey.
It's 24bit file and done the same way I done many times before in photoshop with no problems.
2 Answers
It is because it is antialiased against a white background. Try saving your PNG in proper 32 bit?
1The antialiasing of the letters did not use any alpha value, they just rendered against your default background color. Anyway, it doesn't look fine on black, I saw the hard antialiased pixels immediately ;)
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