Color palette tool

A fast tool to derive color palettes from images for designers and developers, enabling consistent branding and accessible UI color choices.

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Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how Color palette tool processes input data instantly inside your browser.

Sample Input Birth date: Jan 15, 1995, Target date: Oct 20, 2023

Computed Result Chronological Age: 28 Years, 9 Months, 5 Days (10,505 days elapsed)

Execution Mode Client-Side In-Browser JS

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Om dette verktøyet

The tool accepts an image or color source and returns a palette of up to six swatches with HEX, RGB, and HSL values. It targets UI design, branding, and marketing assets, helping teams establish reusable color systems.
Conceptually, color extraction uses perceptual clustering to select representative colors, followed by optional harmony rules to guide swatch order (for example, analogous or complementary schemes). Accessibility considerations are integrated to flag low-contrast pairings.
Who benefits: designers refining design systems, developers implementing CSS variables, and marketers coordinating campaigns. Unique value lies in rapid, repeatable palettes derived from imagery, plus ready-to-export formats for design tokens and code.
Core features include image input, color_count control, export options, and a simple palette visualization that supports quick validation of color relationships.

Save your calculation history with a free account

Hvordan bruke

Provide inputs: upload an image or specify an image URL.
Set color_count (3–
and choose an optional harmony.
Run generation to produce palette data (HEX, RGB, HSL).
Review accessibility metrics and color relationships.
Export as CSS variables, JSON, or SVG for integration.

Frequently Asked Questions

Finn raske svar

What sources can I use?

You can supply an image URL or upload an image file. Supported formats include JPEG, PNG, GIF, and WebP. If the source is unavailable, you can paste a data URI or provide a static color sample to generate a palette.

How many colors can I export?

The tool generates up to six swatches per palette. The color_count input is constrained to 3–6; any request outside this range is adjusted to the nearest valid value, and the resulting palette includes exactly that many swatches.

Are accessibility checks included?

Yes. Each swatch is evaluated against WCAG 2.1 criteria for contrast versus black and white. If any pair falls below AA thresholds, the system flags it and suggests adjustments in hue or brightness to improve legibility.

What formats can I export?

Exports include CSS variables, JSON data, and an SVG visualization. You can copy the values directly, or download files for design tokens, UI kits, and asset pipelines to ensure consistent implementation.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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