From Destinypedia, the Destiny wiki
Revenant Acolytes are the Major variant of the Acolyte seen throughout Savathûn's Brood. They can be distinguished from their Minor counterparts by their white body paint and robes or their dark and partially gold chitin. In Shadowkeep, the Hidden Swarm also has Revenant Acolytes among their ranks, distinguishable by their beige chitin and red body paint. In The Witch Queen, the Lucent Brood also have Revenant Acolytes among their ranks, distinguishable by their gray coloration.
List of appearances