Professional color system that replaces Coolors, Adobe Color & Stark — 100% offline. Extract palette from any image via k-means, generate harmonies, test WCAG contrast, simulate color blindness, build gradients, and export as CSS variables, Tailwind, or SVG. Canvas-powered.

🎯 Base Color & Extraction

📸 Drop image to extract palette

Choose image

k-means clustering · offline · no upload

Harmony mode

Palette (click to edit)

Gradient builder

135°

Export

♿ WCAG Contrast Checker

Text Background

Aa Sample text 18px

👁️ Color Blindness Simulator

Simulates via LMS matrix transform — approximate, not medical.

🎨 Live Theme Preview

Your Brand

A production-ready color system — buttons, cards, alerts, and text built from your palette. WCAG-checked, export-ready.

Card

Surface + border

Success

Action completed

Warning

Check this

Saved palettes (local)

🎨 Pro Color Theme Studio — Palette, WCAG, Gradients & Export