There's also a brand called Zhen Beauty cosmetics. It's small compared to the others but all their foundations have yellow-undertones. Their site is http://www.zhenbeauty.com/ and you have find them on amazon.com/ The color swatches are totally off though. But you have contact customer service via e-mail or by phone. They'd be happy to help, their very very fast and nice.

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YAH!! for MAC Cosmetics!!

NC25 (MAC), Cream (Zhen Beauty)
black hair, brown eyes