Never force a chameleon out. Everything should be on their terms unless its for safety of medical reasons.
First photo is showing stress coloring. Shes exposed on the couch and probably doesn't feel safe. More relaxing coloration and pattern would be how she looks in the other photos.
There are quite a few thread on these forums with guides on "taming" (i hate that term...) that detail trust building steps. Just search "building trust" and you should fine some info.