A dark brown crème gel nail polish that sings the praises of seaside cliffs. An effortless chestnut gel nail polish is the only accessory you'll need this season. Supercharge your look with this luxurious deep brown shade. OPI GelColor is OPI's gel nail polish that stays shiny and chip-resistant for 3 weeks. Gel nail polish cures in 30 seconds under OPI Dual Cure UV/LED Light. Available to professional nail technicians only.