I've put a few photos of my flowers on the web for you to enjoy. Click on the name or tiny picture for more detail. I owe my Net-friends a huge debt of gratitude for teaching me so much about these wonderful plants in such a short time. Please stop by their web sites to learn more. They were absorbed by the pigment chemical.
Light is a form of energy.
Good thing, or we and our orchids wouldn't be here. Pigments in the leaves are primarily carotenoids and chlorophylls. Carotenoids are red, orange and yellow pigments that aren't very good at capturing light energy for other uses. This is common in some genera if light is insufficient. Once the light energy is absorbed by the chlorophyll, it is used to power the formation of sugar molecules from water and carbon dioxide.