“What’s my undertone” might be up there on the list of confusing questions along with “why can’t I stop watching TikTok videos?” Yellow, red, pink, blue — these may not be colors you think you’d find in your complexion but there's actually a rainbow of undertones at play when it comes to our skin, and therefore our makeup. Here’s everything you need to know about how to find your skin undertone. Let’s get into that shade! Skin Undertone Categories While it’s easy to figure out whether your…