I know the normal method is to fill the the areas with original color from the photo above which the triangles are residing. But I'm looking for an easy way to color them with random colors (all while maintaining the harmony ofcourse). In other words, inclusion of dynamic colors without disturbing the harmony if possible. The recolour option doesn't look so promising. I know one way is to manually fill every area as last resort. But anything other than that? I'm looking for something like these animals in these projects - https://www.behance.net/gallery/29670207/ADI-bank-Youth-Cards https://www.designcontest.com/blog/inspiration-gallery-low-poly-art/
Working with Affinity Designer and Adobe Illustrator.