Unverified50% confidenceFactExact time
In an image where a checkerboard is drawn into the RGB pixels, the alpha channel values are always 255, so it cannot be seen through by CSS or a page background.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe alpha channel is a fourth channel in image formats such as PNG that is independent of the RGB color channels, storing an opacity value from 0–255 for each pixel, where 0 is fully transparent and 255 is fully opaque.74% similarUnverifiedImageNet的RGB均值为[0.485, 0.456, 0.406]，标准差为[0.229, 0.224, 0.225]61% similar
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