[DustyPorViva]

Heh... nothing. Typically it's for delta but there is no delta in this case.

Tiles[x,y] is what you're looking for... which is the same. Now what you do is...

tiles[x,y](x and y are... well, the x and y you're checking) == hex.

So...
if (tiles[x,y] in {0x31,0x1A4}) {}
Would check if the tiles at the given position match what you provided in the original post.