I didn't have anything like YSL Jade Imperial 34 in my collection. I'm wearing two coats with a salon brand top coat in the pics.
I think Jade Imperial is one of those too cool for school colors that would work in any season, and on a variety of skin tones. Color wise I'd describe it as a creamy greyed out green. I've been very impressed with the YSL nail polishes that I've bought so far. The colors have been very rich and pigmented, and they wear like iron. I'm giving this one two thumbs up.