K is for Key which also means black - these shoes are the perfect evening stiletto to wear under a dark evening sky... or in the office... but that doesn't nearly relate to the colour black as well as the nighttime, now does it? Hehehe.
I hope you have a gorgeous start to the week!
*CMYK are an abbreviation of four colours used in a printing process often referred to as CYMK. The letters stand for: Cyan (blue), Magenta, Yellow and Key (black)