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Analyseur de couleurs d’image

Estimez les couleurs dominantes d’une image JPG, PNG ou WebP à partir d’un échantillon de pixels.

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Cet outil fonctionne dans votre navigateur. Les saisies, fichiers et valeurs générées restent sur cet appareil. Les favoris et outils récents, si vous les utilisez, n’enregistrent que des noms d’outils dans le stockage local — jamais de mots de passe, de documents ni de contenus QR. Consultez la politique de confidentialité.

Le guide détaillé de cet outil (mode d’emploi, exemples et FAQ) est pour l’instant disponible en anglais.

What this tool does

List 3 to 10 dominant colors from a JPG, PNG, or WebP, with each color’s share of the sampled pixels. Use it when you want a starting palette from a photo. The image is reduced to a 96-pixel edge first, so a rare color can be missed.

How to use

  1. Upload a JPG, PNG or WebP image.
  2. Choose how many dominant colors to show, from 3 to 10.
  3. Analyze, then copy HEX or RGB values from the swatches.

Examples

  • A photo of a blue sky

    Most sampled pixels fall into blue-ish buckets. The listed share is the portion of sampled pixels, not a laboratory measurement.

How it works

The image is downsampled, then similar pixels are grouped. The listed colors are averages of those groups. This is an approximation from processed pixels, not a mathematically exact palette or print proof.

Limitations

The photo is reduced to a 96-pixel edge before pixels are grouped, and nearly transparent pixels are skipped. You can ask for 3 to 10 colors. The share is of those sampled pixels. GIF and HEIC files do not open, and a file over 25 MB or a side over 8192 pixels is refused.

See the disclaimer for what these tools do not cover.

FAQ

Is the Image Color Analyzer free?
Yes. Listing dominant colors from a JPG, PNG, or WebP is free, with no account.
Are the percentages exact?
No. They describe sampled, quantized pixels from a smaller copy of the image. Fine details and rare colors can be missed.
Is my input sent to a server?
No. Sampling stays in this tab. The photo is not uploaded and not written to local storage.
How do I find the main colors in an image?
Upload a JPG, PNG, or WebP and choose how many colors to list, from 3 to 10. Similar pixels are grouped and each color shows its share.
Can I get the hex code of a color in a photo?
Yes. Each listed color can be copied as HEX or RGB, ready for a design tool or CSS.
Does it work on mobile?
Yes. You can open this page on a phone or tablet. File pickers and downloads use the browser on your device. Large files may be slower on a small phone than on a desktop.

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