In the same way that light imbues an extra glow to the transparent colors of Tiffany glass, light can also impart an extra glow to the apparently opaque colors of painted surfaces.
We like to imagine the drama taking place within the layers of our December green as luminous energy penetrates its surface, interacts with the crystalline structure of its pigments, bounces off its white primer, and finally escapes through the paint's outer skin and into our view.