Flag of Poland city of Maastricht used a similar design between 1938 and 1994 but reinstitated its old flag to avoid confusion. There are currently two independent states – Indonesia and Monaco – whose national flags are horizontal bicolors of red and white, reversing the Polish flag. The Monaco and Indonesia flags differ in proportions and shades of the colors (see Flag of Indonesia and Flag of Monaco). Flag of Poland The flag of Poland consists of two horizontal stripes of equal width, the upper one white and the lower one red. The two colors are defined in the Polish constitution as the
Flag of Thailand next to each side of the deep blue stripes, and the red stripes being 1 part wide next to each side of the white stripes. The National Flag shall also be called the Tri-Rong flag". The colours of the flag were standardised in an announcement of the Office of the Prime Minister dated 30 September 2017, on the occasion of the 100th anniversary of its adoption. It gives recommended values for determining the standard colours of physical cloth flags, defined in the CIELAB colour space under Illuminant D65 as follows (also included are corresponding RGB, HEX, and CMYK values as