Natural Grey Shades: Revolutionary ImproVerse Haiku I’ve concluded that,/ in Nature, there are far more/ than 50 grey shades. Posted in Revolutionary ImproVerse Poetry and tagged 50 shades of grey, CyranoWriter, Fifty Shades of Gray, grey, haiku, ImproVerse haiku, Kuhns, Lake Winneconne, natural grey, nature, poems, poet David Kuhns, Poetry, revolutionary poetry, sunset, Wisconsin sunset, www.cyranowriter.com.