It’s a symbol of his desire—and failure—to enter New York's upper class. He wanted to reach that point, to be part of the upper class of New York. He failed to reach it in his lifetime. He did just about whatever it would take to reach the Upper Class of New York and be one of the most well-known people in all of the city. Gatsby knew if he could reach that point and be one of the most well-known people in New York and Daisy would notice him and want him back. Something else the color yellow could mean is Gatsby’s death. The color yellow is the color of autumn leaves, which symbolizes decay, death and destructive power. Before Gatsby was shot by Wilson, he refused the chauffeur’s help and disappeared among the yellowing, which indicated his death. The yellow car that George Wilson sold to Gatsby also led to his death as well. Daisy being a golden girl is also what led to Gatsby’s death and Gatsby trying to get Daisy. This color also could mean the failure to reach the American Dream. Yellow, the color that Gatsby is struggling all his life, not only gives him confidence but also destroys his dream and life. So it reflects the characteristics of the times and the fate of the people at that