My favorite color in whole wide world is the strange grey in the sky just before a storm. The ground is deep and green and the clouds are dense ready ooze. The humidity I think is key. There has to be a wind also because the colors are effected by the mood. It also take the sun sitting at just the right angle. I have tried to paint my bedroom this color several times. I just can't find the right color in pigment. Oh those enigmatic colors:light vs. pigment. Perhaps it will only work if it is about to rain in my room.