Which color code is associated with the designation of toxic and poisonous materials?

The color code associated with the designation of toxic and poisonous materials is brown. This designation is crucial for safety in various contexts, such as shipping, storage, and handling hazardous materials. The brown color serves as a universal visual signal indicating that substances may pose significant health risks if mishandled or improperly exposed.

Using color codes helps ensure that individuals quickly recognize the potential dangers of these materials, thereby promoting safety and compliance with health regulations. The standardization of these colors across various industries aids in creating a common understanding among workers and emergency responders about the types of hazards present, allowing for appropriate precautions to be taken when working in proximity to such materials.