New answers tagged transparency
This colour usually comes from the texture itself. When using alpha transparency, even fully transparent texels still have an RGB colour, though it's usually unseen. Because we don't see it, image editors and compression tools can be inconsistent in how they handle these areas - filling them with white, black, or streaked-out copies of adjacent texels to ...
Very strangely, it appears that your picture is not transparent. I copied your code, and tried it with your image, and the background was white. Then I tried it with a png I found on my computer and it did work. So I put your picture into photoshop, and there it was – a white background. Here's a transparent version if you need :
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