CMYK stands for Cyan, Magenta, Yellow, Key(black). Pantone is a company which is best known for its Pantone Matching System (PMS). PMS is a unique color space used by designers in various industries to deliver quality offset printing. PMS is mainly used in printing media, though sometimes in the manufacture of colored paint, fabric, and plastics. Here is an online conversion tool which helps you in converting the given CMYK color code to Pantone colors.
Pantone system is helpful in determining the colors match without direct contact with one another. One such use is standardizing colors in the CMYK process. Pantone colors are described by their allocated number for example, 'PMS 130'. Interestingly, Pantone announces every year the color of the year and for the year 2016 - Serenity - Pantone 15-3913 - is announced as the color of the year.