1. Create New Document 200x200px with white background.
2. Set Foreground Color to #007A29, Background Color to #000000 and apply Filter>Render>Clouds:
3. Switch Background Color to Foreground and go to Filter>Texture>Stained Glass:
4. Going to Filter>Artistic>Plastic Warp:
5. Apply Image>Adjustments>Hue/Saturation:
My Final Result:
Good luck!
