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.

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

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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HSL to HSV Converter

Convert between HSL and HSV (HSB) color formats directly, without going through RGB. Bidirectional converter with formula explanations.

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RGB to HSL Converter

Convert between RGB and HSL color formats. Enter values in either format and see the other update instantly, with formula explanations.

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RGB to CMYK Converter

Convert between RGB and CMYK color formats. Bidirectional converter for screen-to-print color approximation, with formula explanations.

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Image Color Palette Extractor

Upload any image to extract a color palette. Choose 2 to 10 dominant colors displayed as swatches with hex and RGB codes.

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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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