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
Lei Day golden and can be seen all across the island. Molokai uses a flower named the Kukui which has a green color to it. A smaller island named Lanai has a grassy flower called Kauna'o which is a yellow color. The island of Kahoolawe and its flower Hinahina has a silver-gray color across the top. The final two islands have unique sets of flowers. Kauai has plentiful mokihana flowers of a beautiful green color. The island of Niihau's "flower" is actually a shell called Pupu. In 1929 Lei Day was officially recognized as a holiday. However, the first celebration of this