Why do the bottom of my feet turn bluish green?

Feet blue green: See your podiatrist for an evaluation as that is definitely out of the ordinary

Hmmmm?: In thirty years of medical practice I have seen all colors of feet. It has been very rare when it was actually the feet and then they were blue, black, or bright red (along with other parts of the body. Green or blue green is probably a stain. Look at inside of new shoes. Black dye often has green color in it. Look at new socks. Sweat or weather probably got them wet.