Do you have 3D colors turned on in the View --> Properties --> View tab. This will only take into consideration the color of the sketch not the internal colors of the sketch when active.
if you are using create view from 3D (to get annotations) edit the options in tools --> options --> Mech Design --> Drafting --> View - View from 3D - Keep layout and dress up of 2d extracted annotations, turn off the annoying generated red cross on annotation
What font? You can not change a font of a sketch constraint. Are you changing the tools options settings or the view property settings? Because the tools options settings will be applied when you create a view and the view properties settings are custom/view.
zip a sample sketch and attach the file for me please.
I did a bit more digging, the 3D Spec option refers to the property page options (drafting tab) of a part or component while in an assembly. The line types do not get passed from 3d to 2d. You can pass the 3D properties but there are a few steps involved. See attached 3D to 2d settings.doc
