I speak from personal experience and after wearing foundation for SIX years and being unhappy about the several thousands of shades that I tried *exaggerating* I FINALLY found the perfect shade for me- in my opinion- that most "make up experts* would disagree with. For the longest time, ever since I started experimenting with foundation , I was told that I had a "yellow undertone." I listened to what I was told because obviously, they're "experts" and know better than me- a rookie. I went through a bunch of different foundation brands, from laura mercier, Clinique, Chanel, Kat Von D, tarte BB cream, sephora photo ready BB cream, etc ONLY to be left disappointed over and over and over again. I'd leave my house feeling like my foundation, that was supposed to "perfectly" match my skin, was either WAY TOO DARK OR YELLOW. I felt like a mud faced chick who looked really sick. Finally, I went into sephora and complained about all of the foundations that I'd ever worn and asked the beauty expert for samples of foundations with pink undertones. They told me that yellow would look better, but I insisted and walked out of the store with a bunch of samples. I tried the pink undertone shades on and FELL IN LOVE. It was love at first sight. My skin looked radiant and bright, it was glowing AND matched my neck perfectly. I no longer looked like a clay face. And every time I went out, I got tons and tons of compliments from friends, family members, and even strangers. "What's your skin care regime" they'd ask, and I'd reply with "try BOTH PINK AND YELLOW UNDERTONE foundations" ha- not really, but you get it. Everyone is different, there's no beauty expert in the world who knows your skin better than you- so don't settle until you're perfectly happy because honestly, this whole yellow/pink undertone thing doesn't make sense. Bobbi Brown claims EVERYONE is a yellow undertone *nope* and MAC has this weird way of differentiating the two...don't get me started. Have fun shopping! Kudos. May you shine as bright as you are.