Two Harmless Chemicals That When Combined Can Put Someone To Sleep Question3

What is your Favourite Color? This question helps find the best Two Harmless Chemicals That When Combined Can Put Someone To Sleep based on your favourite color.

Red Orange Yellow Green Cyan Blue Magenta Purple White Black Gray Silver Pink Maroon Brown Beige Tan Peach Lime Olive Turquoise Teal Navy Blue Indigo Violet NONE