Rhodia makes yellow paper legal pads.
https://www.amazon.com/Rhodia-Classic-Staple-Bound-Yellow/dp/B001DCDSTY
Nope, not in Sweden.
But I have found something at Amazon. https://www.amazon.com/Rhodia-Classic-Staple-Bound-Yellow/dp/B001DCDSTY
Maybe it's them they're using? But they are frenchmanufactured. Hmm, not lightly.