California is a state located on the West Coast of the United States. It is the most populous U.S. state, home to one out of eight Americans, and is the third largest state by area. Wikipedia

Colorado is a U.S. state encompassing most of the Southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. Colorado is part of the Western United States, the Southwestern United States, and the Mountain States. Wikipedia