Flag of Sao Tome and Principe

Sub-Saharan Africa · ST · Vector source, 4:3 aspect ratio

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Flag Name	Flag of Sao Tome and Principe
Country	São Tomé and Príncipe
Official Name	Democratic Republic of São Tomé and Príncipe
Capital	São Tomé
Continent	Africa
Region	Middle Africa
ISO Code	ST / STP
Internet Domain	.st
Calling Code	+239
Currency	São Tomé and Príncipe dobra (STN)
Official Language(s)	Portuguese
Demonym	Sao Tomean
Area	964 km²
Population	231,900
Coastline	Has a sea coast
United Nations Member	Yes

Official Flag Name	Flag of Sao Tome and Principe
Current Version Adopted	5 November 1975
Design First Used	1975
Flag Proportion	1:2
Flag Shape	Rectangular
Number of Colours	4
Main Colours	Green, Yellow, Red, Black
Designer	Based on the MLSTP liberation movement flag
Design Type	Horizontal tricolour with a red hoist triangle and two stars
Nickname	No widely used nickname
Official Status	Official national flag
Governing Authority	Government of Sao Tome and Principe

Colour	HEX Code	RGB	CMYK	Pantone
Green	#12AD2B	18, 173, 43	90, 0, 75, 32	No official Pantone reference
Yellow	#FFCE00	255, 206, 0	0, 19, 100, 0	No official Pantone reference
Red	#D21034	210, 16, 52	0, 92, 75, 18	No official Pantone reference
Black	#000000	0, 0, 0	0, 0, 0, 100	No official Pantone reference

Two black stars	The islands of São Tomé and Príncipe, and the African people
Green	Stands for the country’s lush vegetation.
Yellow	Stands for the cocoa on which the economy was built.
Red	Stands for the struggle for independence.
Black	Stands for the two stars of the islands.

Year / Period	Event
5 November 1975	Adopted at independence from Portugal
Present	The flag remains in official use

Official Ratio (height : width)	1:2
Hoist (height)	1 units
Fly (width)	2 units
Layout	Horizontal tricolour with a red hoist triangle and two stars
Band / Stripe Construction	The yellow band is twice the height of each green band
Construction Sheet Available	Yes
Governing Specification	Constitution of São Tomé and Príncipe, Article 13

Setting	Flown	Notes
Government buildings	Yes	Flown on official premises
Schools and public institutions	Yes	Common in daily and ceremonial use
Private and civil use	Yes	May be flown by members of the public
Public holidays and commemorations	Yes	Displayed on national days of remembrance
Armed forces	No	No separate military flag is in use
Naval ensign	Yes	Flown by naval and merchant vessels
Embassies and consulates	Yes	Flown at diplomatic missions abroad
International sport	Yes	Used at the Olympic Games and world championships
United Nations building	Yes	Flown in the row of member states

Flag Type	Purpose	In Use
National flag	The primary flag shown on this page	Yes
Civil flag	Flown by private citizens and organisations	Yes
War flag	Carried by the armed forces on land	No
Naval ensign	Flown at sea by naval and merchant vessels	No
Air force ensign	Used by the air force	No
Presidential standard	Marks the presence of the head of state	Yes
Royal standard	Marks the presence of the monarch	No
Historical flags	Earlier designs no longer in official use	Not documented

Years in Use (current design)	51 years
Adoption Date	5 November 1975
Earliest Recorded Use	1975
Designer	Based on the MLSTP liberation movement flag
Nickname	No widely used nickname
Dominant Colour	Green
Flags It Resembles	Guinea-Bissau and Mozambique share the triangle-and-band layout
Notable Feature	Horizontal tricolour with a red hoist triangle and two stars