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A little wonder, every day

Green was kept on the back of U.S. notes for practical reasons

AI-generated symbolic comparison of generic green and monochrome historical-style notes with ink. It is not a reproduction of U.S. currency or evidence for the historical explanation. Generated with OpenAI image generation; no external source or reuse license applies.

AI-generated symbolic comparison of generic green and monochrome historical-style notes with ink. It is not a reproduction of U.S. currency or evidence for the historical explanation. Generated with OpenAI image generation; no external source or reuse license applies.

Listen to fact0:00 / —

Before 1929, U.S. banknotes came in different colours and designs. When smaller standard notes were introduced, green was retained on the back: the Bureau of Engraving and Printing cites its resistance to chemical and physical change, pigment availability and association with stable government credit. The Bureau cautions that there is no single documented explanation for the original choice of green.