cURL (/kÉl/ or /kÉ:l/) is a computer software project providing a library and command-line tool for transferring data using various protocols. The cURL project produces two products, libcurl and cURL. It was first released in 1997. The name originally stood for see URL.
Land plants (and plants in the ocean, called algae) have a lot of chlorophyll-a pigment because it is essential to photosynthesis, but they also have other pigments, called accessory pigments, that help them absorb light.
 There are 4 pigments in a plant's chlorophyll-2 green and lesser important red and orange. This allows for the plant to get an optimal amount of energy. However, colors of lights still has a great effect-grow lights are just a different spectrum of lights over the plants for optimal growth (mostly purple and blue).