The mark is comprised of a design of the planet Earth with six colored rings encircling it combined with the words "PLANET RAINBOW". The colors of the six rings include the colors of the rainbow, specifically as follows: the first and outermost ring is red; the second ring is orange; the third ring is yellow; the fourth ring is green; the fifth ring is blue; the sixth and innermost ring is purple. The land mass on the planet is light green color. The remaining area of the planet is ocean and it is a light blue color