Current prices on these color mutations reflect the few breeding programs available. F.p. viridissimus, F.p. cyanophanes, F.p. cyanochlorus, and F. p. deliciosus. The males is green with a brighter green at the cheeks, underside of the body and behind the neck. Lower back, rump and upper tail are bright emerald green. Underside of wings and edge of wing are blue.
Females are the same as males, but lacking any blue.
Some females may have yellowish colorings on forehead. Green-Rumped Parrotlets have a sleek body, their eyes are dark brown, and their legs are a pale pink. The male is emerald green with lighter green and some yellow-green underneath. Blue ring around eye, wing coverts and rump are cobalt to violet blue, with underside of flight feathers bluish green. The female is bright green, with emerald green around eyes, forehead and rump.