The flag of Spain consists of three horizontal stripes: red, yellow, and red. The aspect ratio is 2:3. The geometric properties are that it has a rectangular shape with a ratio of two to three and the hoist side is adjacent to the flagpole. The measurements of the flag depend on its intended use. For example, the official size for the national flag used on government buildings is 2.6 meters x 1.7 meters. The color codes for the Spanish flag are Pantone 1788 C for the red and Pantone 109 C for the yellow.