I grew up in a family of Oregon Ducks, became a UCLA Bruin myself, then married into a multi-generational Texas Longhorns family, so we have lots of teams that we love to follow.
Orange Gatorade is perfect for a basketball party, especially when you remove the label and replace it with a strip of black and white striped wrapping paper.
Popcorn is always a great party snack! For a basketball party food idea, serve cheddar cheese popcorn in mini orange bags with black stripes drawn on to resemble a basketball.