Coppery brown, the color of a coin that's been passed from hand to hand.
Penny is a muted brown.
It can be described as muted, dull, matte and soft.
Set in black, because black reads best on it.
A penny is a coin or a unit of currency in various countries. Borrowed from the Carolingian denarius, it is usually the smallest denomination within a currency system. At present, it is the formal name of the British penny unit and the de facto name of the American one-cent coin.
Read on WikipediaThe penny, officially "one cent", is a United States coin worth one cent, equal to 1⁄100 of a dollar ($0.01). It has been the lowest face-value coin or banknote of U.S. currency since the abolition of the half-cent coin in 1857. Introduced in 1793, it has only been produced for collectors since 2026.
Read on WikipediaProper noun
Proper noun