According to Wikipedia
they wear white for home opener & alll sec home games.
Here ia ncaa rule
Home Team Jerseys
Home teams wear colored jerseys in contrasting colors to visiting team’s jerseys. If the color of the home jersey has white in the design, it is limited to numbers, number outlines, insignias, college name, sleeve stripes, collar border and side seam. Sleeve stripes and collar borders cannot exceed one inch wide and the side seam cannot exceed four inches wide.
Home teams may wear white jerseys if its conference certifies the colors contrast with the visiting team’s jerseys and both teams agree to it in writing before the game.