Harmonic Palette & Contrast Analyzer
Extract brand palettes, WCAG contrast ratios, and color harmonies from any visual.
Drop your image or brand visual here
Extract dominant palettes, test WCAG 2.1 contrast ratios, and generate design tokens
System Architecture: Harmonic Palette & Contrast Analyzer
Deterministic, client-side execution path from raw input pixel buffer to production artifact.

Reads raster pixel data into an octree color quantizer to isolate prominent chromatic clusters.
Calculates relative luminance for each swatch and generates compliance contrast ratios against light/dark backdrops.
Structures extracted palette swatches into copyable HEX/RGB values and exportable CSS/Tailwind design tokens.
How It Works
Understand the process and the deterministic browser engineering behind this utility.
1. Drop or Select Your Image
Choose any PNG, JPG, WebP, SVG, or AVIF file from your device. The image is loaded directly into browser memory.
2. Adjust Real-Time Parameters
Fine-tune cropping, dimensions, thresholds, or color models. Changes render instantaneously on your hardware.
3. Download & Export
Export production-ready single assets, code snippets, or complete multi-file ZIP packages with zero server lag.
Deterministic Execution Pipeline
Zero-Cloud, High-Performance Client Processing
Advanced color extraction that computes perceptual color distance, WCAG 2.1 AA/AAA accessibility ratios, and harmonious palette pairings.
Underlying Browser Technologies:
- CIELAB color difference
- WCAG contrast algorithm
- CSS token generator
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