Greta Gerwig’s heavy use of a few particular pink paints for the sets of “Barbie” caused an international shortage of the shade she favored, which was described as a “fluorescent shade of Rosco paint” by Architectural Digest.

Surprisingly, the official Barbie shade of pink is actually owned by Mattel, the maker of the popular doll. It’s Pantone 219C, a vibrant, almost unrealistically bright gel pink. It’s unlikely the world ran out of pink entirely, and it’s more likely that Gerwig was referring to that shade or very similar shades in her comment. Paint company Rosco makes a variety of vibrant pink shades, including the Roscolux Supergel R343 Neon Pink, which is probably the closest to the official one. Mattel is involved with the film, which would have made getting the official shade easy. In any case, Gerwig narrowed down to 10 shades of pink when working with set design for “Barbie,” as production designers Sarah Greenwood and Katie Spencer explained to IndieWire.

Despite the challenges involved, the massive amounts of paint were necessary to achieve Gerwig’s desired artistic effect on the movie she worried would end her career. Nearly everything was hand painted to add a dimension of touch sensation. “Everything needed to be tactile, because toys are, above all, things you touch,” she said.