The GRASS SNAKE's total (body+tail) length can get up to 120 cm, but generally shorter. Highly diverse body coloration. Ground colour grey, brown, ochre, greenish or black with speckles or blotches of various sizes on the entire dorsal surface. Conspicuous yellow, orange or white partial collar, usually bordered with black. Pupil round and black, with yellow or orange iris. Some specimens have two light, yellow or white lines along edges of back. Specimens in Belső-Somogy may be jet black. Belly white and black chequered. Dorsal scales keeled. k. Males and females similar, but orange belly usually signifies males, which may also have ring markings (ocelli). Young are similar to adults, but sometimes darker.
More information: website of MME ARCG.