HTML Link & Heading Extractor
About CSS Color Variable Generator
The CSS Color Variable & Shade Palette Generator builds complete 50–950 tonal color scales (50, 100, 200... 900, 950) from a single hex brand color in Hex, HSL, and OKLCH color formats for Tailwind CSS and design systems.
How to Use CSS Color Variable Generator
Step 1
Select or paste your base brand hex color.
Step 2
Select desired color space (Hex, HSL, or OKLCH).
Step 3
Inspect the shade palette and contrast ratios.
Step 4
Click "Copy CSS Palette" or "Copy Tailwind Config".
Practical Use Cases for CSS Color Variable Generator
Generating Tailwind CSS Compatible 50–900 Color Scales
Generate a full 10-shade tonal palette from your primary brand color to configure in `tailwind.config.js` or `:root` CSS variables.
Creating Perceptually Uniform OKLCH Color Palettes
Generate modern CSS `oklch()` color variables with uniform perceived lightness across hue shifts for vibrant, accessible UI themes.
Input & Output Examples
Generating Shade Scale for Blue (`#3b82f6`)
Base Color: `#3b82f6`
`--blue-50: #eff6ff;\n--blue-500: #3b82f6;\n--blue-900: #1e3a8a;`
Key Features & Performance
- ✓Generates 11 tonal shades: 50, 100, 200, 300, 400, 500 (Base), 600, 700, 800, 900, 950.
- ✓Output formats: Hex, RGB (`rgb(r, g, b)`), HSL (`hsl(h, s%, l%)`), and modern OKLCH (`oklch(l, c, h)`).
- ✓Calculates WCAG 2.1 contrast ratio against white and black for every shade.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy CSS variables or Tailwind color config.
Key Terminology & Definitions
OKLCH Color Space
A modern, perceptually uniform color space supported in CSS Color Module Level 4 offering predictable lightness and chroma controls.
Tonal Shade Scale
A stepped series of color variations ranging from lightest tint (50) to darkest shade (950) used for UI borders, backgrounds, and text.