Depending on which color you find most difficult to imagine, we can know more about your imaginative function and potential for psychic ability. Whichever color is most vivid and easiest to attain through mental vision tells us important details as well. You must train to see all the colors, in full vividness. Try it: Red Orange Yellow Blue Green Violet White Grey Black does not require imagining (a little hint for you magician-to-be). Only after you've have mastered these basics, then you may move onto attaching colors to different geometrical forms and patterns.