Free · runs on your device
Skin tone and depth from a photo
Depth is how light or deep the cheek reads. Undertone is the cast underneath it. This page samples both from a photo that never leaves the browser.
A warm lamp can push a neutral face toward warm. Daylight is the check.
- Cost
- Free
- Time
- Under a minute
- Signup
- None
- Data
- Stays on device
Your photo
Add a photo to measure
Face the camera straight on, hair off the face, even light, no filter.
- 1Add your photoCamera or a file. Either stays on this device.
- 2Mapped in your browser478 landmarks find the zones. The picture is not uploaded.
- 3Your measured resultNumbers from this photo, drawn on the picture.
Add a photo. It stays in this browser.
- On-device, never uploaded
- 478 landmarks
- Free, no signup
In the app
Want a record of skin tone finder, not a one-off?
Skin tone finder on this page is a single reading. The app saves a scan and the routine that followed it, so the next photo has a baseline.
- Six saved scores: hydration, texture, tone, acne, pores, and redness
- A morning and evening routine built from the scan
- The same face, week after week, so a change shows up as a trend
Scan with your phone. iPhone opens the App Store. Android opens Google Play.
The science
What skin tone finder measures, and how this page does it
- 01
One question, answered from this photo
Skin tone finder uses the face in the frame, not a questionnaire. A depth word for the cheek lightness in this photo, from Lab L*. It is a cosmetic depth step, not a Monk card and not an official scale grade.
- 02
Landmarks first, then the number
The photo is drawn to a canvas in your browser. A face landmark model marks 478 points so the measurement uses the face, not the background. Nothing is uploaded.
Cheek patches are converted to Lab. L* is mapped to a depth word. Undertone is left to the undertone tool, because lightness and undertone are different axes.
- 03
The result on this page, and the record in the app
A depth word for the cheek lightness in this photo, from Lab L*. It is a cosmetic depth step, not a Monk card and not an official scale grade.
The AISkincare app keeps a scan: hydration, texture, tone, acne, pores, and redness, then builds a morning and evening routine from those scores. This page answers once and does not store the photo.
- 04
What will throw the number off
This is a cosmetic reading of one photo on your device. Lighting, lens, and angle change the numbers. It is not a diagnosis or a clinical measurement.
A yellow bulb raises b* and can make a depth step look warmer than daylight would. Foundation bought from this word alone will miss if the light was wrong.
How to read a skin tone finder result
Cheek patches are converted to Lab. L* is mapped to a depth word. Undertone is left to the undertone tool, because lightness and undertone are different axes.
Use the steps under the tool as the procedure: same light, same distance, same expression, whenever you want a second reading to mean something. The app is where a series of scans can sit next to a routine. This page is the single measurement.
A setup that makes a second photo comparable
Daylight from a window, phone at eye level, an arm's length away, hair off the zones the tool needs, no beauty filter. Tilt in the chin or a camera held low changes several face measurements at once.
If the page warns that the photo looks angled, or that a distance falls outside a usual range, retake before you act on the figure.
One photo is a point. A month is a line.
Skin tone finder on a Tuesday includes the light in the room. The same check in the same window next month is the comparison that can show a change. Stacking random selfies from different rooms mostly shows the rooms.
Scan the QR code under the tool with the phone you will keep using. An iPhone is sent to the App Store and an Android phone to Google Play, so the history starts in the right store.
What skin tone finder will not claim
A yellow bulb raises b* and can make a depth step look warmer than daylight would. Foundation bought from this word alone will miss if the light was wrong.
This is a cosmetic reading of one photo on your device. Lighting, lens, and angle change the numbers. It is not a diagnosis or a clinical measurement.
How to use the result
- Use a photo taken by the rear camera, or by someone else, at arm's length.
- Face the light. Do not use a portrait filter.
- Keep hair off the forehead if you want the outline and thirds to settle.
Where to go from here
If one part of the result stood out, open the tool that asks only that question. Each one states its limit in the same place, and each one links back to a guide when a longer explanation helps.
- Undertone from a photoEstimate warm, cool, neutral, or olive undertone from cheek color in the browser. Pair it with the no-photo vein quiz if the lamp looks wrong.
- Color season from a photoCombine depth, undertone, and hair-to-skin contrast from a photo into a spring, summer, autumn, or winter direction. Measured in the browser.
- Undertone quizUse jewelry, veins, and how skin looks in sun to estimate warm, cool, neutral, or olive undertone for makeup and hair color.
- Vein and jewelry quizThe classic vein, jewelry, and white-shirt check, written so neutral and olive are possible answers instead of a forced warm or cool.
This is a cosmetic reading of one photo on your device. Lighting, lens, and angle change the numbers. It is not a diagnosis or a clinical measurement.