Flag of Portland, Oregon

City of Portland
Use	Civil and state flag
Proportion	3:5
Adopted	September 4, 2002
Design	Nordic-style Brigid's cross design with Blue stripes/arms double-fimbriated by gold on white esquarres, in the center a white astroid hypocycloid, on a green background.
Designed by	Douglas Lynch

The city flag of Portland, Oregon, consists of a green field on which is placed a white four-pointed star (a truncated hypocycloid) from which radiate blue stripes, each bordered by L-shaped yellow elements (esquarres). Narrow white fimbriations separate the blue and yellow elements from each other and from the green background. The official ordinance specifies a height of 3 feet and a length of 5 feet.