Anoher Happy Tarptent user here.
I been using both a Contrail and a Double Rainbow for over 10 years now.
Condensation can be an issue in a single wall but chosing a good site can alleviate much of that problem.
Sometimes though the site choses you.
Henry Shires the Owner builds a good product and gives excellent customer service.
I just ordered his new model the Bowfin 1 as a free Standing Shelter can sure come in handy in the areas I play in here in the North East and it is a double wall.
Tarptents gray material is mute enough that it doesn't stand out but could be better.
In the Winter I been using a Hilleberg Soulo and
I can't say enough good things about it, a fantastic tent, bombproof and sets up easily.
It is no light weight though.
I have it in Sand and it blends nicely into the woods yet is cheerful on the inside.
I used a Hilleberg Akto as well for awhile, nice shelter but I found it finicky to set up, but I am clumsy.
The old Hilleberg Green is a great color, the new green verges on black.
If you can find a MSR Hubba HP that is another good one. Sets up easy and is storm worthy and the green color that mine was is not too bad for a big brand tent.
I prefer a floor in my tent, if you don't care about that a pyramid of the size and brand of your chosing is a great way to go.
I ran a Go Lite Shangri-La 2 for a couple of years but that was the old yellow color so a no go for you and spent a few nights in a Seek Outside Beyond Timberline 2.
The Seek Outside is a great brown for the woods.
I like tents.