Hi Xavier, I see you also sent this to chimerax-users, and since I figured out it was a ChimeraX question I answered it there: <https://www.rbvi.ucsf.edu/pipermail/chimerax-users/2022-November/004646.html> Best, ElaineOn Nov 29, 2022, at 7:11 AM, F.Xavier Gomis-RĂ¼th via Chimera-users <chimera-users@cgl.ucsf.edu> wrote: Hi Elaine, when coloring a helix differently from the attached coils, is there a means to prevent the first short segment of the coil to get the color of the helix? It seems to me there was some kind of "halfbond"-mode one... Best, Xavier <Screenshot 2022-11-29 at 16.11.06.png>