Orange (colour) Orange (colour) Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In painting and traditional colour theory, it is a secondary colour of pigments, created by mixing yellow and red. It is named after the fruit of the same name. The orange colour of carrots, pumpkins, sweet potatoes, oranges, and many other fruits and vegetables comes from carotenes, a type of photosynthetic pigment. These pigments convert the light energy that the plants absorb from the sun into chemical
Port Austin Light Station on Lake Huron. Port Austin Light Port Austin Lighthouse (or Port Austin Reef Light) is a lighthouse off the shore of Lake Huron, about north of Port Austin, Huron County Michigan sitting on a rocky reef (shoal), which is just north of the tip of the Thumb and a real hazard to navigation. The original plans were for this lighthouse to be built on shore. The crib was built in Tawas. The light was first lit in 1878, and its pier was modified in 1899. It is still operational and is automated. The foundation materials are a pier, and