Architectural designer Fu's hard hat color

Quick answer：

The color of hard hats worn by architectural designer Fu can vary depending on the specific project, company policy, or personal preference. Hard hats are typically used for safety purposes in construction sites and may be color-coded to indicate different levels of safety qualifications or roles of the wearer. Common color codes include white for managers, yellow for laborers, and blue for engineers. However, without specific information about Fu's situation, it is impossible to determine the exact color of his hard hat.