Lei Day orange, Kahoolawe is gray, Kauai is purple, and Niihau is white. In the same order the flowers are lehua, lokelani, 'ilima, kukui, kauna'oa, hinahina, mokihana, and a pupu shell. Niihau is the only island without a plant as its symbol. Lei Day in Hawaii incorporates various ethnic traditions, other than their own. Throughout the history of the holiday, natives have struggled between preserving Hawaiian culture and integrating foreign traditions on the special day. This has brought tension to the day of celebration, but over the years has meshed into part of the festivities. Although many different ethnic groups such as
Ap Lei Chau rapid economic development. Public housing estates were built to accommodate people, including some who had suffered in a fire in the Aberdeen shelter. In 1989, the generators of the power station were relocated to Lamma Island, and the old power station was demolished. The site was re-developed into the South Horizons residential area, with the addition of some land reclaimed from the sea. Ap Lei Chau was named after the shape of the island, which resembles the tongue of a duck. "Ap" means "duck", "Lei" means "tongue", and "Chau" means "island." The northern part has the highest population, while the