A computerized method and computer-executable instructions for assessing personality and temperament characteristics of a registered user by a centralized computing device. The method includes providing a first user interface with at least two color elements for the user to sort in a “most like me” to “least like me” order. Upon receiving the user's sort order, the user is provided a second user interface with at least one word grouping, each word grouping having an associated life context, and the user indicates “most like me” to “least like me” in the word groupings. Upon receiving those results, the method then determine a contextual assessment based on the user's selection, with the assessment being weighted on the basis of the user's color element sort. In some embodiments, a temperament assessment service with a published API executes on a server, with access to the service requiring a user's unique API key.