ColorSwatches.org

Color Tools

Free, browser-based color utilities. No sign-up, no uploads to any server — everything runs locally in your browser.

Image Color Palette
Upload any image and extract 2–10 dominant colors as hex and RGB swatches.
#3A7BD5 ⇄ rgb(58,123,213)
Color Calculators
Convert between Hex, RGB, HSL, HSV, and CMYK color formats instantly.
Palette Generators
Generate complementary, triadic, tetradic, analogous, and monochromatic palettes from any color.
ASE Swatch Viewer & Converter
Upload an .ase file to view its colors and export to CSS, SCSS, JSON, PNG, or Procreate swatches.
Procreate Swatches Viewer & Converter
Upload a .swatches file to view its colors and export to CSS, SCSS, JSON, ASE, or PNG.
Tailwind CSS Color Generator
Generate a custom 11-stop Tailwind color scale (50–950) and export for Tailwind v3 or v4.

About These Tools

All tools run entirely in your browser using JavaScript. No data is sent to any server. Images you upload for palette extraction are processed locally using the HTML5 Canvas API.

These tools are designed to help designers, developers, and artists work with color more effectively — whether you need to match colors from a photo, convert between color formats, or build a harmonious palette from scratch.

More Color Tools

Pastel Color Palette Generator

Generate a pastel color palette from any starting color. 4–6 soft, muted colors spread across the spectrum — perfect for gentle, approachable designs.

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Neon Color Palette Generator

Generate a neon color palette from any starting color. 4–6 vivid, saturated colors spread across the spectrum — perfect for bold digital designs.

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Monochromatic Color Palette Generator

Generate a monochromatic color palette from any starting color. Tints, shades, and tones of a single hue — clean, cohesive, and versatile.

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Tetradic / Square Color Palette Generator

Generate a tetradic (square) color palette from any starting color. Four colors equally spaced at 90° intervals — rich, complex, and versatile.

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Hex to CMYK Converter

Convert between hex color codes and CMYK print values. Bidirectional converter with formula explanation for screen-to-print color work.

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Tailwind CSS Color Generator

Generate a complete Tailwind CSS color scale from any base color. All 11 stops (50–950) with live UI preview and one-click export for Tailwind v3 config and Tailwind v4 CSS @theme blocks.

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