Minecraft 1.12 Fill Command with black concrete?

Fe
2

I want to fill an area with black concrete in Minecraft (Java version, 1.12), but I have no idea how it should work. I know? Of course, the command [/ fill ~ ~ ~ ~ ~ Minecraft: black_concrete] but that does not work in 1.12 with black concrete or other colors. Still, that should work, hopefully.

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/ fill ~ ~ ~ ~ ~ ~ minecraft: concrete 15

If you hover over the black concrete in your inventory, you are sown:

Black Concrete (# 0251/15)
Building blocks
minecraft: concrete

For the other colors, other numbers are after the '/'

For example, it is the 14th for red

Gu
-2

Schlusseldienst Rangsdorf