What Is My Skin Undertone? Three Tests That Actually Work

By Kelly Dolev, Founder of MyMkUp

Short answer: Your undertone is the permanent color beneath your skin’s surface: warm, cool or neutral. It does not change when you tan. Three home tests give a reliable answer, and undertone decides your foundation shade before depth does.

Skin tone is how light or deep your skin is. Undertone is the color underneath it, and it stays the same whether you are pale in February or tanned in August.

It matters because the wrong undertone is what makes a foundation look gray, orange or like a mask, even when the depth is a perfect match.

Woman following an online makeup lesson while practicing a glowing face makeup look.

What Is the Difference Between Skin Tone and Undertone?

Skin tone is depth, from fair to deep, and it changes with sun exposure. Undertone is the hue underneath, warm, cool or neutral, and it does not change.

This distinction is why shade matching goes wrong. Two people with identical depth can need completely different foundations because one is warm and one is cool.

It is also why your summer shade should be a deeper version of the same undertone, not a different undertone entirely. See a natural everyday look.

How Do You Find Your Undertone at Home?

Three tests, done in daylight. Check your veins, compare gold against silver, and hold white paper next to your face. Agreement across two of the three is a reliable answer.

The vein test: look at the inside of your wrist in natural light. Green leaning veins suggest warm, blue or purple suggest cool, a mix suggests neutral.

The metal test: hold gold jewelry against your skin, then silver. Whichever makes your skin look brighter rather than sallow points to your undertone. Gold for warm, silver for cool.

The white paper test: hold a sheet of plain white paper beside your bare face. Warm skin looks yellow or golden against it, cool skin looks pink or rosy, neutral looks neither.

Do all three in daylight, never under bathroom lighting. Artificial light shifts the result more than anything else on this list. See browse artists and rates.

Your look, guided live by a real artist

1 hour or 1.5 hour sessions · your own makeup · each artist sets their own rate

Browse MkUp Artists →

What Do the Three Undertones Look Like?

Warm reads golden, peachy or yellow. Cool reads pink, red or bluish. Neutral shows a balance of both, or no strong lean in either direction.

Warm undertones usually suit gold jewelry, ivory rather than pure white, and peach or coral blush.

Cool undertones suit silver, true white, and rose or berry blush.

Neutral is the most common and the most flexible. If your tests disagree, you are probably neutral, and most brands’ neutral shades will work. See when your base looks patchy.

How Does Undertone Change Your Foundation Shade?

Undertone decides which shade family to look in. Depth decides where within it. Getting the order backwards is why so many foundations look almost right and not quite.

Shade codes usually carry the undertone: W or N or C, or numbers like 2W1. Find your family first, then adjust depth.

Test on your jawline in daylight, not your wrist or the back of your hand. Those are frequently a different color from your face.

Let it sit for ten minutes before judging. Many foundations oxidise slightly and go warmer as they settle. See where highlighter goes.

Why Do Online Undertone Quizzes Disagree?

Because a quiz cannot see your skin. It works from your answers about lighting you cannot describe accurately and color you may already be misreading.

The vein test in particular is genuinely difficult to self-assess. Most people’s veins look somewhere between blue and green, and which one you name depends heavily on the light you are standing in.

This is the part where a second pair of eyes matters most, and where a written answer runs out. See an artist seeing your skin in your own light.

Woman following an online makeup tutorial at a vanity while learning facial highlighting techniques.

Can You Have More Than One Undertone?

Not underneath, but you can look like it. Redness across the cheeks or pigmentation on the forehead can make one area read cooler or warmer than the rest of your face.

This is why some people test as cool on the wrist and warm on the jaw. The wrist has no redness and the face does, so the two areas genuinely look different.

Always match to your jawline, because that is the area your foundation has to blend into at the neck.

If redness is what is confusing the test, a green color corrector on those areas before foundation will neutralise it, and your true undertone becomes much easier to see.

What Else Does Undertone Decide?

More than foundation. It guides your blush family, your best lipstick reds, whether gold or silver jewelry suits you, and which neutrals in an eyeshadow palette will actually flatter you.

Warm undertones generally suit peach and coral blush, warm reds with an orange lean, bronze and gold eyeshadow, and ivory rather than stark white clothing.

Cool undertones suit rose and berry blush, blue-based reds, taupe and gray eyeshadow, and true white.

Neutral undertones can wear most of both, which is genuinely an advantage rather than a fence-sitting answer.

This is why undertone is worth establishing once and properly. It quietly decides a large share of every future purchase.

From Kelly, our founder: “Undertone is the thing people get wrong about themselves most often. Someone will tell me confidently that they are warm because they tan easily, and on camera in daylight they are clearly cool. Tanning is depth. Undertone is underneath it, and it does not move.”

When undertone matters less than you think

If you wear a sheer base or skin tint rather than full coverage, undertone matters far less, because enough of your real skin shows through to correct the difference. The heavier the coverage, the more precisely the undertone has to match.

Frequently Asked Questions

What are the three skin undertones?

Warm, cool and neutral. Warm reads golden or peachy, cool reads pink or bluish, and neutral shows a balance of both.

Does my undertone change when I tan?

No. Tanning changes your depth, not your undertone. Your summer foundation should be a deeper shade in the same undertone family.

Is the vein test reliable?

Only as one of three. Veins look different under different lighting, so use it alongside the metal and white paper tests and look for agreement.

What undertone is most common?

Neutral. If your three tests disagree with each other, neutral is the most likely answer and neutral shades will usually suit you.

Why does my foundation look orange?

Usually a warm shade on cool or neutral skin, or oxidation. Let foundation sit ten minutes before judging, because many go warmer as they settle.