Color guide
How to Find Your Undertone: Three Practical Color Comparisons
Start by deciding what you want to choose: a foundation shade, a shirt color or a piece of jewelry. Then compare real options under the same light. Undertone language can help organize those choices, but it does not turn veins, white paper or a selfie into a definitive test.
Keep the task small
Choose one decision, such as a neckline color for a top you already own. Compare two options that are similar in depth, size and finish. Write down which effect you prefer before trying to name a season. You can finish with two useful colors and no single undertone verdict.
Set up the comparison once
Use indirect daylight and a plain background. Keep your position, makeup and the visible area of each fabric consistent. If taking photos, use the same camera and avoid beauty filters. White balance affects the colors a camera renders, so a warmer second photo is not independent proof of a warmer undertone.
Source: Nikon · Setting White Balance
Use veins and white paper cautiously
The optical research on vein appearance is not a validation study of cosmetic undertone tests. White paper is also not a calibrated skin measurement. If either shortcut feels ambiguous, skip it instead of turning uncertainty into a neutral label.
Three comparisons that lead to a real choice
| Decision | Compare | Keep the conclusion narrow |
|---|---|---|
| Choose a top color | A warmer and cooler fabric of similar depth and finish | Which of these two colors do I prefer near my face? |
| Choose jewelry | Similar-sized silver- and gold-colored pieces with similar shine | Which finish and color suit this outfit? |
| Choose foundation | Two or three nearby shades in one exact formula | Which sample blends best where I want the base to match? |
Try an A–B–A check
- Look at option A, then B, then A again.
- Keep the light and viewing position unchanged.
- Describe the difference without using good-skin/bad-skin language.
- Repeat once if swapping order changes your preference.
- Write ‘no clear difference’ when that is what you see.
Frequently asked
Do I need all the tests to agree?
No. Jewelry finish, clothing contrast and foundation hue are different decisions. Agreement is not a score you must achieve.
Should I burn or tan to check my undertone?
No. Sun exposure is not part of this workflow. Use ordinary color comparisons without trying to change your skin.
What if an AI result disagrees with my wardrobe?
Try a few suggested colors with items you own. Treat the result as a starting palette and keep your observed preferences, rather than replacing clothes to satisfy a label.
Try a starting palette from your photo
Upload a selfie for a free suggested palette, then compare it with your own clothes in consistent light. Photo-based suggestions can change with the image.
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