Compare lookalike national flags — Ireland and Côte d'Ivoire, Romania and Chad, Australia and New Zealand, and more. Learn the one detail that survives a twenty-second look, then drill them in Flag Drill's adult flag quiz.
Similar flags are not trivia “gotchas.” They are a design history problem. Vertical tricolors spread with the French Revolution and with independence movements that wanted a cheap, readable cloth. Horizontal tricolors spread for the same reason. Nordic crosses mark a family. Red-over-white bicolors are older than most of the states that fly them. If your flag quiz score collapses on a handful of pairs, you are not bad at geography — you have not yet learned which detail actually differs.
This page is original Flag Drill copy, written for adults. It is not a classroom worksheet and not a listicle of “flags that will shock you.” Each pair below is a plate you will meet in the quiz pool. Ireland and Côte d'Ivoire reverse green and orange. Romania and Chad are close enough that even diplomats have joked about it. Indonesia and Monaco share red over white and differ mainly in proportion. Poland is the invert of that bicolor. Luxembourg’s blue is paler and its ratio longer than the Netherlands. Norway and Iceland swap the field color of a Nordic cross. Australia and New Zealand both keep the Union Jack and then disagree about stars. Mali, Guinea, and Senegal rearrange the same West African palette and a star.
Use the notes as a correction log, not as a substitute for drilling. After you read a pair, open the flag quiz or the country flag quiz and keep going. The similar-flags list will not be complete — the atlas is full of cousins — but it covers the collisions that wreck streaks. Flags on this page are PNGs from flagcdn.com, the same source as the drills. UN membership is still the default story; extras belong on the territories toggle, not in these plates.
Ireland and Côte d'Ivoire
Same three vertical bands. Ireland reads green, white, orange with the green at the hoist. Côte d'Ivoire reads orange, white, green — the hoist is orange. If you remember “green against the pole for Ireland,” you will stop mixing them.
Why do Ireland and Côte d'Ivoire look like the same flag?
They use the same three colors in reverse order. They are not the same flag. Ireland: green at the hoist. Côte d'Ivoire: orange at the hoist.
Ireland · DublinCôte d'Ivoire · Yamoussoukro
Romania and Chad
Vertical blue, yellow, red. Chad’s blue is darker; Romania’s is closer to cobalt. In a small PNG they can look identical. Check the blue first, then confirm the country name before you hit a key.
Why do Romania and Chad have the same flag?
They do not. Both are vertical blue-yellow-red, but Chad’s blue is indigo and Romania’s is brighter. At quiz size the difference is easy to miss; it is still two countries, two flags.
Romania · BucharestChad · N'Djamena
Indonesia and Monaco
Red over white. Monaco’s official ratio is squarer; Indonesia’s is longer. At quiz size, ratio is easy to miss. Monaco is a European microstate; Indonesia is the large Asian archipelago. Context in the country-flag quiz helps more than staring at the red.
Are Indonesia and Monaco the same flag?
No. Both are red over white. Indonesia is longer (2:3). Monaco is closer to square (4:5). If the prompt is a country name, geography beats ratio.
Indonesia · JakartaMonaco · Monaco
Poland and Indonesia, inverted
Poland is white over red. Indonesia is red over white. They are not a pair of twins so much as a pair of flips. If you see white on top, you are not in Jakarta.
Why is Poland’s flag the reverse of Indonesia?
Poland is white over red. Indonesia is red over white. Same two bands, opposite stack. White on top is Poland.
Poland · WarsawIndonesia · Jakarta
Luxembourg and the Netherlands
Both horizontal red, white, blue. Luxembourg uses a lighter blue and a longer flag. The Netherlands uses a darker cobalt and a shorter ratio. When in doubt, ask whether the blue looks sky or navy.
How do you tell Luxembourg from the Netherlands flag?
Same red-white-blue stack. Luxembourg’s blue is paler and the cloth is longer. The Netherlands is shorter with a navy blue. Sky versus navy.
Luxembourg · LuxembourgNetherlands · Amsterdam
Norway and Iceland
Nordic crosses with red and blue reversed. Norway: red field, white-bordered blue cross. Iceland: blue field, white-bordered red cross. Learn the field color, not the “Scandinavian-looking” vibe.
How do you tell Norway and Iceland flags apart?
Both are Nordic crosses. Norway has a red field. Iceland has a blue field. Learn the field, not “looks Scandinavian.”
Norway · OsloIceland · Reykjavík
Australia and New Zealand
Both: Blue Ensign, Union Jack in the canton, Southern Cross. Australia adds the large Commonwealth Star under the Jack and uses seven-pointed white stars. New Zealand uses four red stars with white borders and no Commonwealth Star. Count the stars, then check their color.
How do you tell Australia and New Zealand flags apart?
Australia has the large Commonwealth Star under the Union Jack and white seven-pointed stars. New Zealand has four red stars with white borders and no Commonwealth Star. Count stars, then color.
Australia · CanberraNew Zealand · Wellington
Mali and Guinea
Vertical pan-African tricolors. Mali is green, yellow, red (green at the hoist). Guinea is red, yellow, green (red at the hoist). Same palette, opposite order — the Ireland / Côte d'Ivoire problem in different colors.
How do you tell Mali and Guinea flags apart?
Same green-yellow-red vertical bands, reversed. Mali: green at the hoist. Guinea: red at the hoist.
Mali · BamakoGuinea · Conakry
Senegal and Mali
Both green-yellow-red vertical. Senegal places a green star in the yellow band. Mali is plain. If you see a star, it is Senegal. If you do not, keep Guinea in mind as well.
How do you tell Senegal’s flag from Mali?
Same green-yellow-red order. Senegal has a green star on the yellow band. Mali has no star. If there is no star, also keep Guinea in mind (red at the hoist).
Senegal · DakarMali · Bamako
Similar flags, in one list
Which national flags look the most similar? Start with Ireland vs Côte d'Ivoire, Romania vs Chad, Indonesia vs Monaco, Poland vs Indonesia, Luxembourg vs the Netherlands, Norway vs Iceland, Australia vs New Zealand, and Mali / Guinea / Senegal. None of those pairs are identical; each has one detail that survives a twenty-second look.
After a miss, drill the same collision on the country flag quiz (name → cloth) or the flag quiz (cloth → name). This page is the correction log, not a substitute for the round.