The flag of Timor-Leste features four colors and an aspect ratio of 1:2. The background consists of two isosceles triangles with their bases along the hoist side. The larger triangle is black, while the smaller one is yellow. Overlapping these triangles, there is a white equilateral triangle with equal sides extending from the hoist to the center. Inside the white triangle, there is a red isosceles triangle with its base on the hoist side and vertex touching the center of the flag.

Color codes (in hexadecimal):

• Red: #DC241F
• Yellow: #FFD700
• Black: #000000
• White: #FFFFFF

No specific geometric properties or measurements are prescribed for the flag other than its aspect ratio.