Bottom line:  No published research has been identified on the use of color  in hospital settings to reduce falls other than to alert healthcare staff, but there is research on the ability to perceive color in adults with visual impairment, which affects many older patients.

Summary:  For a review of perception of color and discussion of implications for healthcare environments, see
J Clin Nurs. 2009 Feb;18(3):366-72.
Källstrand-Ericson J, Hildingh C. Visual impairment and falls: a register study.
Discussion on p. 369 includes review of literature on color perception in visual impairment.

Searched Joanna Briggs, PubMed, CINAHL, and Web of Science

Reviewed 4/9/2014 ldt