Scent Theory and Crayola have combined in scent and color to launch a new line of foaming hand soaps.   The collaboration has developed Crayola Scent of Color, a rainbow of seven hand soaps that embody Scent Theory's tagline to “take a moment to get away.”   “We all typically think of color as a visual experience, however, our collaboration with Scent Theory takes that sensory connection to another creative dimension so consumers can experience smelling in ...