Color Analysis is all about determining the colors that suit your skin, hair and eye tones. There are many articles about this on the Internet if you want to research the topic for yourself in more detail than I have. My personal favorite can be found at The Chic Fashionista.
The most commonly used system is the 12 colour seasons system, which consists of 12 categories based on the seasons Summer, Winter, Autumn and Spring sub divided into warm, cool, clear, soft, deep and light.