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Harmonic Color Palette & WCAG 2.2 Contrast Studio

Generate aesthetic UI palettes and instantly audit WCAG 2.2 AAA/AA and APCA contrast ratios with CSS export

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Color Palette Harmonizer & WCAG AAA Studio

Harmonic UI palette generation, WCAG 2.2 contrast ratio verification (AAA/AA), and ready-to-paste CSS variables

100% In-Browser Privacy

Seed Brand Color

Palette Tokens & Contrast Audit

Primary Core

#10b981 • Brand & Hero Action

Dark: 7.7:1 (AAA)

Dark Surface

#090d16 • Main Background

Dark: 1.0:1 (Fail)

Card Container

#111827 • Elevated Cards

Dark: 1.1:1 (Fail)

Text High Contrast

#f8fafc • Headings & Body

Dark: 18.6:1 (AAA)

Muted Text

#94a3b8 • Subtitles & Labels

Dark: 7.6:1 (AAA)

Accent Bloom

#34d399 • Hover & Highlights

Dark: 10.1:1 (AAA)

Export CSS Custom Properties

:root {
  --color-primary: #10b981;
  --color-bg-dark: #090d16;
  --color-card: #111827;
  --color-text: #f8fafc;
  --color-muted: #94a3b8;
}

About Harmonic Color Palette & WCAG 2.2 Contrast Studio

All-in-one client-side color harmony generator and accessibility validator. Generate complementary, analogous, triadic, tetradic, and monochromatic UI palettes with real-time relative luminance calculation ($L = 0.2126R + 0.7152G + 0.0722B$), WCAG 2.2 AA/AAA pass/fail matrix, APCA readability scores, and instant CSS variable export.

Key Capabilities & Features

5 harmonic color algorithms: Monochromatic, Analogous, Complementary, Triadic, and Tetradic
Real-time WCAG 2.2 contrast ratio matrix against pure black and pure white
Automated AA (4.5:1 / 3:1) and AAA (7:1 / 4.5:1) compliance badges
One-click CSS variables (:root) and Tailwind theme configuration export

How to Use Harmonic Color Palette & WCAG 2.2 Contrast Studio

1

Enter Values

Provide input data into the calculator fields.

2

View Real-Time Results

Calculations update instantly in your local browser.

Privacy & In-Browser Execution Guarantee

100% browser-based design studio. Zero server calls or analytics tracking.

Frequently Asked Questions

Is my data stored or uploaded?

No. All calculations run strictly client-side on your local device.

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