When Lego changed Steine und Teile in Germany to Pick a Brick in Feburary, I ordered some minifigure heads that are not yet available in any set in the given colors. Most of the parts are now not available any longer.
6329317: Head in Lavender
6376426: Head in Medium Azure
6344419: Head in Sand Blue
6359783: Head in Olive Green
6303151: Head in Sand Green
6187163: Baby Head in Yellow without Print