Here is the limited edition Space Marine Chaplain from the dark vengeance set.  Like the captain yesterday, I used yellow to contrast with the blue.  The coal black I used to highlight the black armor is subtle and didn't show very well, but it's there.  It has more of a blue tint to it and I am like to highlight black with it and save the gray tones for other stuff.  This is the 2nd out of 3 of these guys I have been commissioned to paint.  The last one is a Raven Wing Chappy.