The Application of Color in Healthcare Settings – 78-p PDF from The Center for Health Design. Authors are Sheila J. Bosch, Eve Edelstein, Rosalyn Cama, and Jain Malkin. Saw it on the HERD LinkedIn discussion group.
From the Executive Summary (p. 9):
This paper’s value is as a reference for architects and designers as it presents what is currently understood about color, separating research from experience and anecdote, and it is likely to give many design professionals confidence about the application of color to their projects.