Mademoiselle: Very sheer pink color that can be worn on its own or as the base coat to a French manicure.
Guchi Muchi Puchi: My current favorite (in fact, I'm wearing this shade as I type). It's less sheer than Mademoiselle but not overwhelming pink.
Fishnet Stockings: The only time I recommend wearing fishnet stockings to work is on your finger tips. The perfect classic red.
Wicked: It's lighter/more red than it looks in this picture. A sophisticated dark red. Just be sure not to chip your nails because it's very noticeable with this color.
I tend to wear Essie because they seem to have more options, but I'm sure there are some wonderful O.P.I., Chanel, Sally Hanson etc. colors. If you've got a favorite, share it in the comments section!