Young children love learning about colors. Teach your baby the signs for the words green and blue in baby sign language with the following descriptions and videos.
Hold the signed letter G in front of the chest. Rotate the wrist back and forth twice.
Hold the signed letter B in front of the shoulder. Rotate the wrist back and forth twice.
Acredolo, Linda & Susan Goodwyn. 2009. Baby signs: How to talk with your baby before your baby can talk, 3rd edn. New York: McGraw Hill.
Porpora, Tracey. 2011. The complete guide to baby sign language: 101 trips and tricks every parent needs to know. Ocala, FL: Atlantic Publishing Group, Inc.