This is probably not the original post-er's purpose, but here is
a free colour-quiz which is very, very short. You select colours from a set and in the end your personality gets summed up. If you like that sort of thing, this one is good.
www.colorquiz.com
When I was teaching
the North Star textbook with advanced-level adult students we did a unit on personality. This was one of the homework assignments. Very simple.