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 hue of blue of the Flag of the Philippines has been a subject of debate by historians. American azure (navy azure) has been used for the flag prior to 1998, with a lighter azure (Oriental azure) used briefly during the presidency of Ferdinand Marcos from 1985 to 1986.