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 PagesMoon41 coloring pagesFruit18 coloring pagesHorse18 coloring pagesBeach49 coloring pagesGarden21 coloring pagesUnder the Sea41 coloring pages