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Color Palette Extractor
Pull the eight most common colours out of any image as hex codes — click a swatch to copy it, or download the palette as text. All in your browser.
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Quick Answer
Upload an image and the tool pulls out its eight most common colours as hex codes. It groups the pixels into colour buckets, ranks them by how much of the image each covers, and shows the top eight as swatches — click one to copy its hex, or download the whole palette as text. It runs entirely in your browser.
What the Color Palette Extractor Does
This extracts a colour palette from a photo or graphic — the handful of colours that dominate it — as hex codes you can use in a design. It shows the eight most common colours as clickable swatches.
It works by frequency: the colours that cover the most of the image rise to the top. That makes it good for capturing the overall feel of an image, from a brand photo or a piece of artwork.
How It Works
Drop or pick an image. It is sampled at a small size for speed, and its pixels are read.
Similar colours are grouped into buckets; each bucket's pixels are counted and averaged into one representative colour. The eight biggest buckets become the palette.
The swatches show each hex code. Click one to copy it, or download the eight codes as a text file. Nothing is uploaded.
Generation algorithm
- Sample the image. The image is scaled down to a small version in the browser so the scan is fast — never uploaded.
- Bucket the colours. Each pixel is grouped into a coarse colour bucket, and the pixels in each bucket are counted.
- Average and rank. Each bucket is averaged into one colour, and the buckets are ranked by how many pixels they hold.
- Show the top eight. The eight most common colours appear as hex swatches you can copy or download as text.
Privacy
Your image is analysed entirely in your browser and never uploaded — there is no server.
The palette is computed locally; no account and no stored copy.
The image and its colours never leave your device.
Technical Details
| Output | 8 hex colours |
|---|---|
| Method | Frequency buckets, averaged |
| Ranking | By share of the image |
| Copy | Click a swatch to copy its hex |
| Download | palette.txt (hex list) |
| Sampling | Small downscaled version for speed |
| Processing | 100% in-browser |
Standards & references
- Colour quantization — Reducing an image's many colours to a small representative set; this tool uses a histogram-bucket method rather than k-means or median-cut clustering.
- Frequency-based palette — Colours are ranked by how much of the image they cover, so the largest areas dominate the palette.
Accuracy & Limitations
It picks colours by frequency, so the palette reflects the largest areas of the image. A small but striking accent colour may not make the top eight if it covers little of the picture.
It groups colours into coarse buckets and averages each, which is fast but not a perceptual clustering like k-means or median-cut. Two slightly different shades can merge into one bucket, or a gradient can spread across several.
For speed it scans a downscaled version of the image rather than every pixel. The dominant colours come out the same, but very fine colour detail is not sampled.
The hex codes are exact averages of their buckets. They are a solid starting palette, not a designer's hand-tuned colour scheme.
Real-World Use Cases
Match a brand or photo
Pull the key colours from a logo or product shot to reuse in a design.
Build a mood palette
Extract the feel of an artwork or scene as a set of hex codes.
Theme a page
Base a site or slide colour scheme on an image's dominant colours.
Quick colour reference
Grab a hex code from any part of an image's main colours.
When to use it — and when not to
Good for
- Getting an image's dominant colours as hex
- A quick starting palette from a photo
- Matching colours from a brand image
Not the best choice for
- A perceptually balanced or harmonised palette
- Picking a single exact pixel's colour
- Rare accent colours that cover little area
For a harmonised scheme from one colour, use the colour palette generator; to read one exact pixel, use a colour picker.
Frequently Asked Questions
How many colours does it extract?
Eight — the eight most common colours in the image, shown as hex swatches. Click any swatch to copy its code, or download all eight as a text file.
How does it choose the colours?
By frequency. It groups pixels into colour buckets, counts how many pixels each holds, and takes the eight biggest. The colours covering the most of the image rise to the top.
Is this the same as k-means colour extraction?
No. This uses a faster histogram-bucket method, not perceptual clustering like k-means or median-cut. The result captures the dominant colours but can merge close shades or split a gradient.
Why is a colour I can see not in the palette?
Because it covers little of the image. The palette is frequency-based, so a small accent — even a vivid one — may not make the top eight if it occupies few pixels.
How do I copy a colour?
Click its swatch to copy the hex code, or use the download button to save all eight codes as palette.txt.
Does it scan every pixel?
It samples a downscaled version of the image for speed. The dominant colours come out the same; only very fine colour detail is skipped.
What does the downloaded file contain?
A plain text file, palette.txt, with the eight hex codes, one per line, ready to paste into a design tool or stylesheet.
Is my image uploaded?
No. The whole analysis runs in your browser, with no server and nothing stored.
Can I get more or fewer than eight colours?
The count is fixed at eight, which suits most palettes. For a single pixel's colour, use a colour picker instead.
Are the hex codes exact image colours?
They are the averages of their buckets, so they are close to the colours in the image but lightly smoothed by the grouping. They make a reliable starting palette.
Does it work on logos and flat graphics?
Yes, and it works especially well on them, because flat graphics have a few clear dominant colours that the frequency method captures cleanly.
Will the palette be a balanced colour scheme?
Not necessarily. It reflects what is in the image, not colour-theory harmony. For a harmonised scheme built from one colour, use the colour palette generator.
References
Finds the eight most frequent colours by grouping the image's pixels into coarse buckets and averaging each — a fast histogram method, not perceptual clustering, so it favours the largest colour areas. Runs entirely in your browser.
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