We love the book "A Color of His Own" by Leo Lionni. It's about a lizard who wishes he could just have a color of his own instead of changing wherever he goes.
I created this chameleon matching printable based on that book.
Print this Chameleon Matching Printable on different colors of paper.
Put the leaves in a row in front of your child and give him the chameleons to match to the leaves.