map ! feedkeys  ":set recolor-lightcolor #ffffff<Return>:set recolor-darkcolor #000000<Return>" # original (black on white)
map @ feedkeys  ":set recolor-lightcolor #0a0a12<Return>:set recolor-darkcolor #ff9900<Return>" # amber on dark slate
map # feedkeys ":set recolor-lightcolor #000000<Return>:set recolor-darkcolor #00B800<Return>" # green on black
map $ feedkeys  ":set recolor-lightcolor #002b36<Return>:set recolor-darkcolor #839496<Return>" # bluish (midnight mode)