What a little cutie! We have lots of those at the park my development backs up to. I got a few pics of breeding pairs this past year and even a breeding female in blue! Never saw any hatchlings, but of course, they would have been really tiny, I'm sure. When I was out looking for then and trying to get pics this past spring, all the males I saw where around 15 -18 inches long and maybe a little bigger around than a chapstick tube. The females were around 24 inches long and maybe an inch in diameter at their widest point. They call them "city snakes" here cause they tend to live very close to people and will thrive in very urban areas. Congrats to you for making sure it was released, hopefully it is close enough to where it was found to thrive.