You can actually see this effect, and the significance of it, by the green coloring of water after cooking certain green veggies such as broccoli. (silverhydra.com)
Continue this process, adding some cotton balls, covering with a different color of water, and adding glitter, until the jar is full. (viewsfromastepstool.com)
Mix various colors of water, ranging from purple to blue to green, by adding food coloring to water. (viewsfromastepstool.com)