What flag is that—and why does it look that way?
Spotted an unfamiliar flag on a building, wondering why two countries fly nearly the same stripes, or checking the exact proportions and color codes in a national flag statute? Every flag has a design language.
Or jump to Identify a Flag · Compare Look-Alikes · Visual Explorer
Start Exploring
- World & National Flags (60)Statutory proportions, Pantone/Munsell/CIE color systems, documented symbolism, and historical timelines.
- Visual Flag ExplorerFilter flags live by primary color combinations, stripe layouts, crosses, discs, and design families.
- Look-Alike Comparisons (20)Side-by-side breakdowns of Romania vs. Chad, Monaco vs. Indonesia, Ireland vs. Côte d'Ivoire, and more.
- What Flag Is This? IdentifierSpotted an unfamiliar flag? Pick the colors, stripe orientation, or symbol you saw to rank candidate matches.
- Interactive Flag QuizzesTest your recognition against look-alike distractors and read the structural explanation after every question.
- Vexillology & Flag AnatomyLearn hoist, fly, canton, fimbriation, aspect ratios, and why flag laws use different color systems.
Frequently Confused Look-Alike Flags
Romania vs. Chad
Monaco vs. Indonesia
Ireland vs. Côte d'Ivoire
Netherlands vs. Luxembourg
Japan vs. Bangladesh
Denmark vs. Norway
Mali vs. Guinea- Mali vs. Senegal
Cuba vs. Puerto Rico
Chile vs. Texas
Germany vs. Belgium
Norway vs. Iceland
Switzerland vs. International Red Cross
Japan (1870–1999) vs. Japan
Canada vs. Peru
Austria vs. Latvia- Austria vs. Peru
Hungary vs. Bulgaria
Australia vs. New Zealand
Argentina vs. Uruguay
Sovereign National Flag Profiles
View all 60 published flag dossiers · Countries · Territories · Regions & Cities · Organizations · Historical · Curated Collections
Browse by Color & Layout Geometry
Colors
Structural patterns
More Than a Picture of a Flag
Documented Law vs. Later Folklore
Plenty of flag meanings online are folklore that got copied until they looked like facts. We go back to the founding constitution, statute or decree—and when a popular story was attached decades later, we say so.
Statutory Proportions & Color Systems
Every profile records the flag's official aspect ratio, stripe geometry, and governing color standard (Pantone, Munsell, CIE or statutory cloth) without manufacturing false RGB precision.
Built to Tell Look-Alikes Apart
Why do Romania and Chad—or Monaco and Indonesia—fly nearly identical flags? Compare look-alike pairs side by side with our 100-point structural similarity breakdown.
Is there a flag or comparison you'd like us to cover, or did we get a specification wrong? Let us know.