In numerology colors represents different numbers , in the universe they represent different planets and in our body they represent different chakras. In nutshell each number, planet and chakra has its own specific color. Therefore when a chakra in our body is weak or a specific number is missing from our date of birth or else a planet is weak at the time of our birth then it can be healed or strenthened with the use of its color. This process is known as color therapy.