Flag of China

The colours are named in law, but no numeric values are given for any of them. The figures below are conventional values in wide use. Each value shows where it comes from, so you can choose the right level of certainty for your project.

Construction sheet

A red rectangle, three units long to two high, with five yellow five-pointed stars at the upper hoist. The large star's circumscribed circle is 3/10 of the height across; the four small stars' are 1/10 each, arced to its right.

Proportion (height:length)

2:3

Large star diameter

3/10 of the flag height

Small star diameter

1/10 of the flag height

Large star centre

5 units from top and 5 from left, on a grid dividing the upper-left quarter into 10 by 15

Small star centres

(10,2), (12,4), (12,7), (10,9) on the same grid, each with one point toward the large star's centre

Source: 中华人民共和国国旗法 (National Flag Law of the PRC), with the annex 国旗制法说明