I am sure you can understand the feeling — the first time you were given a key to close the building, dropping off a large cash deposit, logging into the back end of your website, or being left alone with your baby for the first time.
Specific colors can evoke specific feelings, just as specific words can evoke specific feelings. How does the word punch make you feel? Or herpetology? Or moist? Some words may even make you feel uncomfortable when they are meant as complimentary.