Painted Leaves

I saw these leaves earlier this week while I was walking down by the river along the pathway. Many of my pictures come from here because I go on a lot walks. I don't always expect to spot something new every time since I usually walk the exact same way. However, I usually find something to look at. Within a bush I saw some leaves that were (painted?) blue. I'm not sure how else they would achieve such pigmentation without paint. However, the color didn't seem glopped on like paint would. Either way, even a small color change in a leaf makes you wonder about the life of nature. Who else was in this spot? Why are these leaves blue? Were they painting? What were they painting? (There was nothing obviously blue around.) Maybe someone had stopped in this spot with their canvas to paint the river the day before. I'm not sure really. But we all share in these leaves as a community and we are all affected by how others interact with the natural world around us.