The flag of Afghanistan consists of three equal vertical stripes, black on the left, red in the center, and green on the right. In the center of the red stripe is a white emblem depicting a mosque with a pulpit and flags on either side, below are numerals for the solar year 1298 (1919 in the Gregorian calendar, the year of Afghan independence from the UK). The aspect ratio of the flag is 2:3.

The color codes for the flag are as follows:

• Black: #000000
• Red: #FF0000
• Green: #008000
• White: #FFFFFF

The geometric properties and measurements of the flag are not officially specified, but typically it is made to the standard size of national flags, which is typically around 90 cm x 150 cm (3:5 ratio) for official use.