Thank you also for the fave. This says wikipedia about the color green. Modern associations; Fertility, peace and nature.
Associations by Leonardo da Vinci; Power of germinating seed, spring, youth, inexperience, power, peace, prosperity, hope, peace and quiet and autonomy.
The lighting on the mushroom itself has that effect on me. Sorry I wasn't looking at anything else. ^^; It's kind of autumn-like colored light, end of day, time to settle down feeling. :D From many years of experience. ^^ Plus I love autumn, which is a cozy season for me.