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.
Solenostemon, commonly known as Coleus is a genus of flowering plants in the family Lamiaceae. Several species formerly included have been moved to the genus Plectranthus. They are native to tropical Africa, Asia and Australia. Some species are cultivated for their highly variegated leaves.