Femme Fatale - The Poison Sky | Hella Holo Customs March 2017 | March 14-31, 2017 | The Poison Sky, from the 2017 Femme Fatale HHC Month. This beauty is only available until March 31st! A grey crelly with greenish tones and a copper overlay. Within are fine holographic particles, silver holographic glitters and the popular red-green iridescent glitters. Depending on your application style, this colour should be opaque by three coats. Swatches show both shade and sun swatches.