Capital

Freetown

Continent

Africa

Flag adopted

1961(r1)

Designer

Not individually credited

Sierra Leone

Colors and meaning

• Green(r1) #1EB53A

  Agriculture, mountains and natural resources(r1)

• White(r1) #FFFFFF

  Unity and justice(r1)

• Blue(r1) #0072C6

  The natural harbor at Freetown and Sierra Leone's hope of contributing to world peace(r1)

Symbolism and history(r1)

A plain green-white-blue horizontal tricolor, first hoisted at midnight on 27 April 1961, the blue evoking the natural harbour at Freetown.

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”.

• 
  El Salvador75

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

• 
  Uzbekistan74

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

• 
  Niger71

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

• 
  Costa Rica68

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

• 
  Israel68

  the same horizontal band layout; similar colours in a different arrangement.

• 
  Slovenia65

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

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 Sierra Leone on Wikipedia