The Sneaky Costume Detail You Missed In Hocus Pocus
The sneaky "Hocus Pocus" detail is not actually in the Sanderson sisters' richly detailed dresses, which costume designer Mary Vogt designed, but rather, is connected to those costumes through Max's tie-dye T-shirt. Max's outfit is actually mentioned determined by the script, which references his tie-dye shirt in the dialogue. When we first meet him, he is in one of his new classes and looks bored while his teacher tells the story of the Sanderson sisters. After he responds with disbelief, she says, "We seem to have a skeptic in our midst. Mr. Dennison, would you care to share your California, laid-back, tie-dye point of view?"
Since the script called for him to wear a tie-dyed shirt, the costume department simply used the same dye they had gotten for the witch dresses. The prominent colors of his shirt match up to the cloaks of the sisters: Winnie's green, Sarah's purple, and Mary's red are all swirled together. In an October 2019 interview with The Costume Designers Guild (via YouTube), Vogt said that the fabric for the witches' dresses started off white and was dyed the many colors that are seen on screen. So, when they needed dye for Max's shirt, they reused those colors. It's actually just one of several small details that are easy to miss in "Hocus Pocus."