What gives the reader the impression that the community must wear black wight or grey clothes?

The impression that the community must wear black, white, or grey clothes often stems from descriptions of uniformity and conformity in their attire, highlighting a lack of individuality. Additionally, the use of these specific colors can symbolize somberness, discipline, or a shared identity within the community. References to strict dress codes or community rules regarding clothing further reinforce this perception, suggesting that such color choices are not merely preferences but mandates.