Visible light makes up a very small part of the whole spectrum. In fact it is only from 3200-7000 angstroms. First on the spectrum are Gamma rays, then x-rays, next is UV light. Then are visible light, infrared and radio waves, respectively. Visible light runs through blue to green to yellow to orange to red.
Red light is the least energetic and close to infrared and radio on the spectrum.
Blue is the most energetic, close to UV light. They are a kind of fungi. There are over 100,000 of different kinds of fungi in the world. Some fungi are parasitic. They can destroy entire crops of plants like wheat and corn.