rainbow light

Well the theme for this months ABZ challenge is "light"

A rainbow is an optical and meteorological phenomenon that causes a spectrum of light to appear in the sky when the Sun shines on to droplets of moisture in the Earth's atmosphere. It takes the form of a multicoloured arc, with red on the outer part of the arc and violet on the inner section.

So for my first light challenge I have gone with a rainbow - a spectrum of light