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 southern part of the island is less densely populated. The highest point on the island is Yuk Kwai Shan (玉桂山; aka. Mount Johnston), with an altitude of . It comprises four main residential estates — Lei Tung Estate, Ap Lei Chau Main Street, South Horizons and Ap Lei Chau Estate, each of which comprises several highrise towers. There is an industrial estate on the southern tip of the island. The population of Ap Lei Chau is 86,782 , and its area is , giving it a population density of 66,755 people / km², and making it the second most densely