These 30 free Rainbow coloring pages show rainbows with clouds, the sun, unicorns, hearts and kawaii faces. Great for learning the seven colors in order and how rainbows form. Print them on Letter or A4 paper and start coloring! More Nature Coloring PagesSolar System33 coloring pagesMoon41 coloring pagesFlower34 coloring pagesTree37 coloring pagesFruit18 coloring pagesEnvironment29 coloring pages