Capital

Monaco

Continent

Europe

Flag adopted

1881(r1)

Designer

Not individually credited

Monaco

Colors and meaning

• Red(r1) #CE1126

  Historically the color of the ruling House of Grimaldi(r1)

• White(r1) #FFFFFF

  The House of Grimaldi's other heraldic color(r1)

Symbolism and history(r1)

A plain red-over-white bicolor whose colours have been the heraldic colours of the House of Grimaldi since at least 1339, adopted in 1881 under Charles III.

Most similar flags

The 6 closest of the 194 other national flags, ranked by a similarity index computed from the flag images themselves. The number is that index, 0–100 — not a claim that the two flags are “X% identical”.

• 
  Indonesia99

  the same horizontal band layout; near-identical colour proportions.

• 
  Singapore97

  the same horizontal band layout; near-identical colour proportions.

• 
  Poland90

  the same horizontal band layout; near-identical colour proportions.

• 
  Lebanon87

  the same horizontal band layout; near-identical colour proportions.

• 
  Austria83

  the same horizontal band layout; near-identical colour proportions.

• 
  Liberia83

  the same horizontal band layout; the same colours in similar amounts.

From this entry, not from the index: Visually almost indistinguishable from Indonesia's flag, which uses the same colors in the same order at a different width-to-height ratio.

Computed at build time: each flag is rasterised to 64x48, and the score is 0.55 × colour overlap + 0.45 × structure. A different weighting would rank these differently. How the index works.

Further reading: Flag of Monaco on Wikipedia