Here's a quick and dirty comparison shot of the only two red-based purples I own: Nars Purple Rain and OPI Louvre Me, Louvre Me Not. Obviously, they do not look alike. OPI LMLMN is much lighter and more red than Purple Rain. No dupes here!!
Left to right: OPI Louvre Me, Louvre Me Not, Nars Purple Rain, OPI Louvre Me, Louvre Me Not, Nars Purple RainComing up tomorrow: Polish of the Week! It's GREEN!!
Later in the week: A preview of a China Glaze collection coming out in May.