Flags by colour
Find national flags by the colours they contain. Red is the most common, appearing on more flags than any other colour.
Colours are computed from each official flag image, the same data behind the colour filter on the home page.
Flags with red
188 flags
Flags with blue
139 flags
Flags with white
137 flags
Flags with green
84 flags
Flags with yellow
66 flags
Flags with black
38 flags
Flags with orange
21 flags
Flag colours computed at build time from the official flag images. Sources on the data page.