The flag of Equatorial Guinea has three horizontal stripes - green on the top and bottom, with a white stripe in the middle. In the center of the white stripe is an emblem consisting of a blue circle containing a yellow six-pointed star, which is flanked by two red banners displaying the national motto in Spanish: "Unidad, Paz, Justicia" ("Unity, Peace, Justice").

The aspect ratio of the flag is 2:3, meaning that its width is 1.5 times its height. The exact measurements of the flag are not specified.

The color codes for the flag are:

• Green: Pantone 355 C / RGB 0, 109, 72 / HEX #006D48
• White: No specific color code specified, but it is pure white.
• Red: Pantone 186 C / RGB 206, 17, 38 / HEX #CE1126
• Blue: Pantone 287 C / RGB 0, 51, 160 / HEX #0033A0

The emblem in the center of the flag has geometric properties but no specific measurements are provided.