Toolbox

Image Palette Extractor

配色提取主色调色板UI配色

Extract up to 8 dominant colors from any image with usage percentages and one-click HEX copy — for UI themes, slide decks and interior inspiration, fully local.

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How to Use

  • Upload the image you want to analyze
  • Dominant colors and a palette are extracted automatically
  • Copy the values for your design palette
  • Images are processed inside your browser only — never uploaded to any server

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FAQ

How is the palette computed?

The image is downsampled and bucketed by the top 4 bits of each RGB channel; the eight largest buckets return their weighted average colors.

Why do some colors differ slightly from what I see?

Bucket averaging merges close shades and dilutes extreme highlights/shadows — a tradeoff for harmonious palettes.

Will my data be uploaded?

No, all computation runs locally in your browser.