Hello and welcome. I believe you need a full husbandry review of your cage, etc. Beman is the best advisor for that. I dont have the questionairre. The fake plants need to go and siince your baby is so young you might add small Bend a Branch on amazon from flukers. Have au cleared perch area 6-8 inches below the basking light. You need to take temp at dlifferent areas in the cage. With three sides solid, i am wondering if lack of air circulstion may be an issue. i hope the front doors are screen. My cham would get brown when hunting and he may be preparing to molt. At that young age they molt a lot. you should post before pics so we can see the color change. also, are you hand misting? What is the humidity and what supplements are you using and when . If you get your husbandry right from the beginning it will be best for your sweet little one to grow up strong and healthy. Color changes can be an emotional response so you have to learn what your little one is saying. When my big boy gets polka dots, i know he is mad. The darker the dots the angrier he is! Lol.