To start off, here are a couple of inspiration boards:
This could end up really cute!! Pumpkins would be a really cute accent to everything: from centerpieces to aisle liners to place card holders!
There are a few options you could do for a Halloween wedding color-wise: oranges, purples, or reds. My favorite would be the oranges, so I'll post more about that, but purple would look cute too! (I googled all of the pictures).
They could all wear black dresses with orange accents (or purple or red) for their dresses, or an orange dress with black accents. Accents would be sash, hair accessories, jewelry, shoes, or flowers.
They could have an orange or purple vest/tie to go along since they'll most likely be wearing black tuxes/suits.
Bouquets & flowers could include black and orange (or purple) flowers:
The jewelry, hair accessories & garter could fit this theme:
So here are a couple of cakes, I really like the ones that are in the inspiration boards above, but here are some more:
Here are some links for some other cool ideas for a Halloween wedding:
Have you ever been to a Halloween wedding?
HAVE A HAPPY & SAFE HALLOWEEN!!