What type of lizard have i found?

I live in the cedar park area of Texas. i was sitting outside and a tiny little lizard ran up my leg. i put it in a gl cage a have a with a few extra lights from myy baby green iguana cage with food and water... but i ddint know what type of lizard it is. it can change colors, its about an inch long right now and it has a point nose. can n e help me out?