Private image tool

Dominant Image Color Extractor

Extract an image's strongest representative color with Color Thief and report HEX, RGB, HSL, OKLCH, text color, and WCAG contrast values.

Free to use Your images stay in this browser and are never uploaded to Lucaden by this tool.

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How it works

Complete the job in three clear steps

Add one JPG, PNG, WebP, or BMP image to the local workspace.
Choose the relevant settings and create a dominant-color report.
Review the local result, then copy or download it before leaving the page.

Important

Check the result before relying on it

Keep an untouched copy of important source files. Browser processing depends on available device memory, and you should inspect every downloaded result before deleting the original.

Practical details

What this Lucaden tool does

Extract an image's strongest representative color with Color Thief and report HEX, RGB, HSL, OKLCH, text color, and WCAG contrast values.

The dominant sampled color is a representative estimate, not a color-management measurement. Results can vary with sampling and image regions.

Lucaden supplies the focused workflow, resource limits, privacy checks, and upstream attribution.

Included capabilities

Perceptual OKLCH quantization
HEX, RGB, HSL, and OKLCH values
Readable text recommendation
WCAG contrast ratios

Useful for

Pick an interface accent
Match a product photo
Create a theme seed
Inspect a brand asset

Questions

About this tool

Does Lucaden upload my images?

No. The pinned open-source runtime processes temporary image data in this browser, and this tool has no upload step.

What should I verify?

The dominant sampled color is a representative estimate, not a color-management measurement. Results can vary with sampling and image regions.

Which open-source project powers this tool?

The implementation uses Color Thief (MIT runtime 3.5.0). Upstream projects retain their original names, copyrights, and licenses.

Open-source foundations

Built transparently

Lucaden documents its standards sources, architectural references, and permissive runtime dependencies while keeping this workspace consistent with the Lucaden interface.

Color ThiefMIT runtime 3.5.0 source Third-party noticesLicenses and attribution