It's actually different. Zhou Yu is an official's family, who takes the petty bourgeoisie route, is proficient in temperament and loves to play, and the feather fan nylon scarf is the standard compulsory clothing.

Although Zhuge Liang's ancestors were also officials, their wealth was declining and their life was relatively cold. In addition, Kong Ming was cautious and pragmatic, and he was diligent all his life. The black scarf of the feather fan doesn't quite fit his style of doing things.