Japanese internet users are posting black-and-white photos and drawings to highlight a reported naphtha shortage affecting ink for snack packaging [1].

The movement seeks to bring public attention to the industrial supply chain disruptions that are forcing some food manufacturers to change how they package their products. By stripping color from their social media feeds, users aim to visually represent the loss of colored inks in the manufacturing process.

Participants are using the hashtag “naphtha shortage black-and-white challenge” to organize the effort [1]. The trend emerged as reports surfaced in early May 2026 regarding the scarcity of naphtha, a critical raw material used in the production of various chemical products, including the inks used on food wrappers [1].

According to reports, the shortage has reached a level where some Japanese food manufacturers have switched their packaging to black-and-white designs [1]. The challenge serves as a digital protest and awareness campaign, turning a corporate supply issue into a visible social media trend.

Netizens are sharing a variety of monochrome content, ranging from simple sketches to edited photographs, to simulate the appearance of the affected packaging [1]. The goal is to convey the seriousness of the resource scarcity to a broader audience who may not follow industrial commodity reports.

This digital response reflects a growing trend of using social media challenges to signal economic or environmental distress. While the manufacturers deal with the physical lack of materials, the public is using digital tools to ensure the crisis remains in the spotlight [1].

“Japanese internet users are posting black-and-white photos and drawings to highlight a reported naphtha shortage.”

The emergence of this challenge indicates a high level of public sensitivity to supply chain volatility in Japan. Because naphtha is a primary feedstock for the petrochemical industry, a shortage affecting simple items like snack packaging often signals deeper systemic issues in energy imports or chemical production that could eventually impact other consumer goods.