Specialties: Cookin’ Since 1961 Established in 1961. In 1961, in the midst of major economic changes in Hawaii, they took a chance and opened Rainbow Drive-In in Kapahulu, a small, local community at the entrance to Waikiki. They opened serving 50 cent chili with rice and $1.00 barbeque steak plate lunches alongside 25 cent hamburgers and 14 cent French fries – all food that was geared to the …