Hi Vamsee, Command "help set" will show you the "set" manual page -- the option is "set silhouetteColor" e.g. set silhouetteColor hot pink set silhouetteColor 0,.8,.7 However, there is only one silhouette color for everything: you can't use a different color for different models or representations. You might be able to fake having two different colors by using the selection outline. You can change the selection outline color in the Preferences (under Favorites in menu), category: Background. I hope this helps, Elaine ---------- Elaine C. Meng, Ph.D. UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab Department of Pharmaceutical Chemistry University of California, San Francisco On Sep 26, 2012, at 11:44 PM, vamsee wrote:

Hi Elaine, I need to change the silhouette color of individual models and if possible for individual representations (ribbon, surface or atoms). Is there a command line option that I could use? (maybe set?) Thanks in advance Vamsee