Which plant has purple-and-green leaves?

A common plant with purple and green leaves is Coleus. It is a tropical plant known for its variegated leaves, and it is sometimes more commonly referred to as the painted nettle.

Another purple and green plant is Persian shield. It has iridescent leaves that are 6 to 8 inches long and vary in color among purple, pink, green and silver. Other plants with these tones include the Aechmea Red Ribbon, which features long thin leaves, the Acalypha Wilkesiana Rex, which has muted colors, and the Begonia Benisuzume, which invokes a purple so deep it is almost maroon in hue.