Background: Acrylic resin is a material often used to make artificial teeth and denture base, that tends to discolor in oral cavity. Objectives of this study was to compare the color stability of acrylic resin immersed in coffee and tea after cleaning by five methods: (A) Immersed in denture base cleanser; (B) Cleaned with soap; (C) Cleaned with toothbrush and water; (D) Cleaned with toothbrush and soap; (E) Cleaned with toothbrush and toothpaste.