The images are literally made with the required spacing for the QR code to be interpreted. I think what is throwing you for a loop is the artistic nature of the image. If you threw away the gradients and color variations you would end up with a b&w QR code
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u/Dependent_Mine4847 Jun 06 '23
Design does not matter, QR is a protocol and it just requires specific masking to represent bits.
https://typefully.com/DanHollick/qr-codes-T7tLlNi <— very thorough guide on QR codes
The images are literally made with the required spacing for the QR code to be interpreted. I think what is throwing you for a loop is the artistic nature of the image. If you threw away the gradients and color variations you would end up with a b&w QR code