Puce
The name is from the French word puce which means "flea".  Some people say that the colour name comes from the colour of a squashed flea or the colour of a flea full of blood. Other people say that colour name comes from the flea's droppings of digested blood, which spread out in deep red stain when water contacts them.  Still others say that the colour name means the colour of the belly of a flea.