This is a gallery of flags consisting of fields of one color, with or without an emblem. It does not include flags with more complex basic patterns, such as crossed or saltired fields, striped fields, bicolors, tribands or tricolors, or cantoned flags.

Black edit

Uncharged
Charged with emblem

Blue edit

Uncharged
Charged with emblem

Green edit

Uncharged
Charged with emblem

Orange edit

Uncharged
Charged with emblem

Brown edit

Purple edit

Red edit

Uncharged
 See also: Red flag.
Charged with emblem

Yellow (Gold) edit

Uncharged
Charged with emblem

White edit

Uncharged
Charged with emblem

Gray (Grey) edit

See also edit