I found a nice light mint green big guy in Maryland backyard. He has a small round yellow bumb on his butt.
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1.0 Leopard gecko from JL
0.4 Normal/Hi-Yellow Leopard gecko (Beatrice, Goldie, Freckles, Pepper)
0.1 Nearly Paternless Leopard Gecko (Brite)
0.1 TBD Leopard Gecko (Rainbow)
0.0.1 Tang Nearly Paternless (Peaches)
0.0.2 Corn Snakes (One snow, One red albino)


But, if you go here http://www.silkmoths.bizland.com/ and ask Bill Oehlke, he'll help you narrow it down further or be able to identify it outright.