Minecraft Worldedit 1.12.2, colored glass with // set?

I can't find the command to do so.

with // set minecraft: stained_glass or something like that you can put normal glass there. But with which command do I color it or do it directly in black?

Just Minecraft: black_stained_glass or not?

I think the color is defined first, i.e. Black_stained_glass