This is a description of the special screening area:Mauve, blue and purple panels of lights glow, low decibel ambient 'spa' music hums, and smiling employees offer quiet greetings and assistance.
TSA planners have been tinkering for months in a warehouse at Ronald Reagan Washington National Airport, testing these new aspects "You can actually influence some behavior subliminally through color," said Catherine Lillie, head of the checkpoint-testing team. source
Coming from a profession where the psychological effects of color is basic knowledge, I have to chuckle at her seeming incredulity over the idea.
What do you think of the concept?