The shade of blue of the Flag of the Philippines has been a subject of debate by historians. American blue (navy blue) has been used for the flag prior to 1998, with a lighter blue (Oriental blue) used briefly during the presidency of Ferdinand Marcos from 1985 to 1986.
The color blue of the Philippine flag has been a matter of debate among historians. Prior to 1998, navy blue was used for the flag, while a lighter version, Oriental blue, was used temporarily during Ferdinand Marcos' presidency from 1985 to 1986.