Korea, South:
white with a red (top) and blue yin-yang symbol in the
center; there is a different black trigram from the ancient I Ching
(Book of Changes) in each corner of the white field

Kuwait:
three equal horizontal bands of green (top), white, and red
with a black trapezoid based on the hoist side

Kyrgyzstan:
red field with a yellow sun in the center having 40 rays
representing the 40 Kirghiz tribes; on the obverse side the rays run
counterclockwise, on the reverse, clockwise; in the center of the
sun is a red ring crossed by two sets of three lines, a stylized
representation of the roof of the traditional Kirghiz yurt

Laos:
three horizontal bands of red (top), blue (double width), and
red with a large white disk centered in the blue band

Latvia:
three horizontal bands of maroon (top), white (half-width),
and maroon

Lebanon:
three horizontal bands of red (top), white (double width),
and red with a green and brown cedar tree centered in the white band

Lesotho:
divided diagonally from the lower hoist side corner; the
upper half is white, bearing the brown silhouette of a large shield
with crossed spear and club; the lower half is a diagonal blue band
with a green triangle in the corner

Liberia:
11 equal horizontal stripes of red (top and bottom)
alternating with white; there is a white five-pointed star on a blue
square in the upper hoist-side corner; the design was based on the
US flag

Libya:
plain green; green is the traditional color of Islam (the
state religion)

Liechtenstein:
two equal horizontal bands of blue (top) and red with
a gold crown on the hoist side of the blue band