There are only four countries with flags containing only blue and yellow : r/vexillology
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Flags With Blue and Yellow - WorldAtlas
flag of Ukraine | Britannica
Székely National Council, Romania
Flag of Saint Lucia stock vector. Illustration of lucia - 118958451
Flags With Blue and Yellow - WorldAtlas
Ukraine
Flag of Bosnia and Herzegovina - EnchantedLearning.com
Color in National Flags
National Flag Of Saint Lucia: White, Black And Yellow Triangles In One Inside The Other On Light Blue Background. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 22630071.
File:Flag yellow blue.svg - Wikimedia Commons
Canary Islands (Autonomous Community, Spain)
Flags With Blue and Yellow - WorldAtlas
File:Blue and yellow flag.svg - Wikimedia Commons
National Flag Of Ukraine: Blue And Yellow Horizontal Stripes. Royalty Free Cliparts, Vectors, And Stock Illustration. Image 21575939.
Double Stripe Flag: Blue/ Yellow | FlagandBanner.com
What country has a green yellow blue flag? - Quora
SnappyGoat.com - Free Public Domain Images - SnappyGoat.com- Flag of Havelange.svg
File:Flag blue yellow green 5x3.svg - Wikimedia Commons
What countries have blue, yellow and red flags? - Quora
National Flag Moldova Blue Yellow Red Stock Vector (Royalty Free) 792561043
Blue And Yellow Flags Against Sky Stock Photo - Download Image Now - iStock
