Undertone Test: Are You Warm, Cool or Neutral?
By the Skintonic team · SKINTONIC LLC · Updated
Undertone is the hue underneath your skin rather than how light or deep it is. It decides whether gold or silver sits better on you, whether cream beats bright white, and which half of the twelve color seasons you belong to.
Five at-home checks below. None settles it alone — each tests the same thing from a different angle, and the answer is whichever direction most of them point. Do them by a window, with no makeup and nothing strongly colored near your face.
Five checks, and where each one fails
1. The wrist test
Look at the veins on the inside of your wrist in daylight. Greenish suggests warm, blue or purple suggests cool, a mix suggests neutral.
The limit. The weakest of the five. Vein color depends on how thick your skin is and how near the surface the vessels run, not only on undertone. A clear answer is worth something; an unclear one means nothing at all.
2. Gold against silver
Hold a gold item and a silver item near your face one at a time, and watch your skin rather than the metal. One usually evens your skin out; the other can leave it looking slightly gray or slightly ruddy.
The limit. Reliable enough to lead with. If both genuinely work you are probably neutral, which is a real answer and not a failure to decide.
3. Bright white against cream
Hold a sheet of bright white paper under your chin, then a cream one, and watch the skin under your eyes and around your mouth.
The limit. The most practical of the five, because it maps straight onto a decision you actually make. Bright white tends to flatter cool skin; cream tends to flatter warm skin.
4. The jewelry you already own
Think about which pieces you wear most and which sit in a drawer. Most people have quietly sorted this for themselves over years without naming it.
The limit. Habit is a real signal but a noisy one. Fashion, gifts and price all push the collection around, so treat it as a tiebreaker rather than evidence.
5. How you burn or tan
Burning easily and going pink points cool. Tanning to a golden or olive tone points warm. Going slightly sallow rather than golden points neutral.
The limit. Useful, with an obvious limit: it describes how your skin behaves in sun, not the undertone sitting beneath it. Deeper skin tones in particular can tan readily and still be cool.
Reading the results together
Three or more checks pointing the same way is a real answer. A two-to-two split with one unclear usually means neutral, which about as many people are as are clearly warm or clearly cool.
What the checks cannot do is tell you the season. Undertone splits the twelve into two halves and no further: warm covers spring and autumn, cool covers summer and winter. Separating those pairs needs clarity, which is the one factor nobody judges well on their own face.
The color analysis quiz takes it a step further and names the family. The free scan reads the actual color values from a photo and names the season.
Questions
Can your undertone change?
No. Undertone is the hue sitting beneath the surface and it stays put. What changes is surface tone — a tan, a flush, a winter indoors — which is why the same person reads differently in July and January.
What does neutral undertone mean?
That you sit between warm and cool rather than clearly on one side. It is common, and it is not a cop-out: it means warmth and coolness matter less for you, and depth and clarity matter more.
Is undertone the same as skin tone?
No, and conflating them causes most of the confusion here. Skin tone is how light or deep you are. Undertone is the hue underneath it. Two people with identical skin tone can have opposite undertones.
Sources and further reading
Four references, each one checked against what it is cited for. Where a claim on this page rests on published color science rather than on our own measurements, this is where it comes from.
- A perceptual color space for image processing — Björn Ottosson, 2020 Defines the Oklab color space and its polar lightness–chroma–hue form. This is the space every distance, verdict and color combination on this site is computed in.
- CIELAB color space — Wikipedia The CIE 1976 space Oklab was built to improve on, with lightness and two opponent axes. It also records that CIELAB is not as perceptually uniform as intended, particularly across blues — which is the reason we do not use it.
- Munsell color system — Wikipedia Albert H. Munsell described color by hue, value and chroma in 1905. The depth and chroma readings used here descend from that framing.
- Color analysis — Wikipedia Seasonal color analysis as a practice, and the four-season division it starts from. It also notes that the field has no standard training or qualification, which is the honest context for any result — including ours.
Related
Color analysis quiz · Colors for your skin tone · All 12 seasons