Elliot, Andrew J.; Niesta, Daniela: Romantic red: Red enhances men's attraction to women. Journal of Personality and Social Psychology. Vol 95(5), Nov 2008, 1150-1164.
http://psycnet.apa.org/journals/psp/95/5/1150/
Elliot, Andrew J.; Maier, Markus A.; Moller, Arlen C.; Friedman, Ron; Meinhardt, Jörg: Color and psychological functioning: The effect of red on performance attainment.
Journal of Experimental Psychology: General. Vol 136(1), Feb 2007, 154-168. http://psycnet.apa.org/?fa=main.doiLanding&doi=10.1037/0096-3445.136.1.154