200 euro note yellow colour scheme. The two hundred euro banknotes depict bridges and arches/doorways in Art Nouveau style (19th and 20th centuries). The €200 note contains several complex security features such as watermarks, invisible ink, holograms and microprinting that document its authenticity. The new banknotes of the Europa series 200 euro banknote will start circulating on 28 May 2019. The euro was founded on 1 January 1999, when it became the currency of over 300 million people in Europe. For the first three years of its existence it was an invisible currency, only used in accountancy. Euro cash was not introduced until
1937 Series (banknotes) of Canada modified the colours used from the 1935 Series in part to address the issue that some banknotes could not be easily distinguished in low light. This was particularly problematic for the $1 and $2 banknotes, which "The St. Maurice Valley Chronicle" of Trois-Rivières stated in an article that the green hue of the $1 banknote and the blue hue of the $2 banknote made the obverse appear similar, and that the more distinct colours of the reverse could be "confused in artificial light". The Bank of Canada chose to design the $2 banknotes using a terracotta red called