Harmony and relaxation with Coloring-for-Adults.com: Unusual unicorn coloring page – modern drawing for adults to color online or download. Switching attention to the selection of color combinations or solving mathematical examples to fill the elements of the picture with the right color helps to take yourself out of the context of the problem and walking in a circle of an unsolvable problem. Create a gallery of moods and color moods, save stories and share them on Pinterest. Permission: Creative Commons Attribution-NonCommercial 4.0 License. Artist: Persimmons Studio.