The colors that are seen when sunlight is split by a prism are sometimes called the spectral colors. These are red, orange, yellow, green, blue, indigo, and violet. These ROYGBIV colors are often reduced to three red, green, and blue-violet which are the primary colors for the additive color system (light).
Growing coleus from seed. Coleus seedlings are abundant with varying shades of color from the moment they pop through the earth. Their vibrant colors are intensified when grown under fluorescent lights. An abundance of light is a must if you propagate coleus indoors in January.
The plant called the coleus-botanic name Coleus forskohlii-is an aromatic perennial plant about two feet tall when fully mature. Coleus possesses tuber like roots and a straight and erect stem with colorful leaves. The coleus has an aromatic fragrance resembling the scent of the camphor plant.eaves of the coleus have also been used as a mild hallucinogenic drug in some places. Coleus herbs are also extensively used in the laboratory tests on the ability of these plants to perceive stress, and the effects of excess fluoride on the growth of the plants has been researched in recent years.