Water colors is a type of painting that uses water-soluble pigments to create art. The two crossword solutions for the term water colors are 'RAINBOW' and 'aquas'. RAINBOW is a spectrum of colors that can be seen in the sky when the sun's light is refracted by water droplets in the atmosphere. Aquas is a term used to describe a range of colors that are similar to the colors of the ocean, such as blues, greens, and turquoises.