Autism Speaks, founded in 2005 by Bob and Suzanne Wright, is the
world's largest Autism advocacy organization. Autism Speaks uses a
light blue color scheme for most of the organizations media. The
blue color scheme is also used for Autism Speaks 'Light It Up Blue'
Campaign held on April 2nd of every year with cities around the
world changing their lights to a blue color in honor of World
Autism Awareness Day.
You can find more about Autism Speaks and Light It Up Blue in
the related links.