The room and its bathroom have an interior color scheme unseen in the film as of yet (and never seen again), and a carpet pattern that finally aims in one direction, towards the commode, a reverse flow up the altar-like stairs, an animation of patterns that began in multiple directions by pointing (the lobby) to cruciform with radiating lines (Gold Ballroom pattern k'an), to bi-directional (the hallway's carpet) to here, unidirectional. From scattered directions to singular. It also has a similar layout as the Boulder apartment's bathroom. Think carefully, if Room 237's carpet pattern's color schema is green and purple (summaries of yellow blue and red blue) that leads/flows into a yellow and green Bathroom, what are its two missing colors? (This is not color theory, this is simply a formula of addition and subtraction.) Answer: red and blue, what Jack is wearing, his outfit completes the formula.