Harmony and relaxation with Coloring-for-Adults.com: Coloring page Colorful adenium – a useful anti-stress game for every day for adults. For print and online. Our illustrators pre-colored this picture according to their inspiration. You can choose to paint by swatch or concentrate on creating your own unique color combination. You will definitely like a beautiful online palette, it is worked out carefully. The resulting charge of positive emotions when coloring will create the necessary internal balance for the whole day. Permission: Creative Commons Attribution-NonCommercial 4.0 License. Artist: Persimmons Studio.