Lately, I've been obsessed with finding the perfect pinkish-nude nail polish. For the past few years, I've pretty much relied on my staple nail polish -- Essie's Sand Tropez. I own several bottles and I believe everyone should have this color in their collection. But lately, my eyes have been set on a different shade of nude. Before we know it, spring will be here. We must prepare now by finding out perfect pinky nude. The shade you see in the picture above is of OPI's Tickle My Fance-y. I…