The flag of China has a rectangular shape with an aspect ratio of 2:3, measuring 120cm x 80cm. It consists of a red background with five golden-yellow stars arranged in a pentagon shape in the upper left corner. The largest star represents the Communist Party of China, while the four smaller stars represent the four social classes as defined in Maoism: the working class, the peasantry, the urban petite bourgeoisie, and the national bourgeoisie. The exact color codes for the flag are not officially specified, but the red is typically Pantone 186C or CMYK 0-100-81-4, and the yellow is Pantone Yellow C or CMYK 0-14-94-0.