agree with Blutengel. vormit-like greenish. how better can you decribe that color? i have one of them in my viv, but my kiki never goes in there.
she loves the t-shirt, and it can still work wonderfully when she gets bigger. the problem is it is wearing thinner, since i wash it so often, and with boiling water once every week.
another hide kiki recently likes a lot is the wood house i got her. it's a two floor house, put on the UTH. she has around 90 on the ground floor, and around 80 on the second. she hides there a lot too. here's a pic: