Gray Concrete Id Minecraft For a map i m making i need to make it so a pressure pad you get can only be placed on light gray concrete powder i know how to make the pressure plate fit only on certain items but i can t find

Official minecraft pages minecraft homepage mojang help and support and contact mojang bug tracker and subreddit minecraft feedback site minecraft i m trying to fill with light gray concrete and i ve tried every id i can think of but nothing works does anybody know the light gray concrete id