Date Add / Subtract Calculator
About Accessible Color Palette Generator
The Accessible Color Palette & UI Design System Theme Generator builds WCAG AA/AAA compliant color scales (50-950), generates accessible foreground/background pairings, and exports CSS variables, Tailwind config, and Figma color tokens.
How to Use Accessible Color Palette Generator
Step 1
Pick or enter your primary brand seed color.
Step 2
Select desired WCAG compliance target (AA 4.5:1 or AAA 7:1).
Step 3
Inspect generated color ramp and accessible pairing recommendations.
Step 4
Click "Export Tailwind CSS" or "Copy CSS Variables".
Practical Use Cases for Accessible Color Palette Generator
Design System Accessible Theme & Color Token Architecture
Generate comprehensive 10-step color ramp shades from a single brand seed color, guaranteeing 4.5:1 contrast against light and dark backgrounds.
Tailwind CSS & CSS Custom Property Palette Theming
Export structured CSS variables and Tailwind configuration files with accessible text/surface pairings pre-verified.
Input & Output Examples
Generating Accessible Scale from Brand Purple (`#6366F1`)
Seed: `#6366F1`, Target: `WCAG AA (4.5:1)`, Mode: `Light & Dark Theme`
Ramp: `50 (#EEF2FF)` to `950 (#1E1B4B)` | Compliant Pairings: `Text-900 on Bg-50 (14.2:1)`, `Text-50 on Bg-900 (15.1:1)`
Key Features & Performance
- ✓10-Step Perceptual Ramp Generator: produces cohesive 50, 100, 200, 300, 400, 500, 600, 700, 800, 900, 950 color steps.
- ✓Contrast Matrix Grid: automatically calculates contrast ratios between all possible shade combinations.
- ✓Export Formats: CSS Variables (`:root`), Tailwind CSS config snippet, JSON design tokens, and SCSS map.
- ✓100% Client-Side palette generator.
- ✓1-Click Export complete design palette.
Key Terminology & Definitions
Color Ramp (Color Scale)
A graduated series of color shades ranging from lightest tint (step 50) to deepest shade (step 950) derived systematically from a base hue.
Design Tokens
Named UI design values (such as `color.primary.500`) stored as structured data to maintain cross-platform visual consistency across web, iOS, and Android.