The flag of Sudan consists of three horizontal stripes of equal width – the top one is black, the middle one is white, and the bottom one is red. Centered on the white stripe is a green pentagon that houses a golden yellow five-pointed star. The aspect ratio of the flag is 1:2. The geometric properties of the flag are that the green pentagon is inscribed in a circle that has a diameter equal to the width of the white stripe, and the star inside the pentagon is inscribed in a circle with a diameter equal to one-third the width of the white stripe. The color codes for the flag are as follows: black (#000000), white (#FFFFFF), red (#FF0000), green (#008000), and golden yellow (#FFD700).