Takes a color value and returns a string with Hex notation of that color
the color can be either the Companion color number or a CSS compatible color string
if input color has no alpha or alpha of 1, return will be in format '#rrggbb', else '#rrggbbaa'
Takes a color value and returns a string with Hex notation of that color the color can be either the Companion color number or a CSS compatible color string if input color has no alpha or alpha of 1, return will be in format '#rrggbb', else '#rrggbbaa'