What I am doing is utilizing an interpretative Four World painting scheme.

The inside of the box — White for Kether/Atziluth — as Archetypal Imagery, and the outside Citrine/Olive/Black and Russet for the manifestational aspect of Assiah/and the Active principles of practical applications of the Wisdom that the cards present…

Source:  http://darkmoonmojo.blogspot.com/2014/02/consecration-of-golden-dawn-temple.html