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How to Create UI Color Palettes & CSS Gradients

A designer guide to picking accessible 5-color palettes and generating smooth CSS gradients for modern websites.

1. Choose High-Contrast Primary & Accent Swatches

Modern UI design relies on a structured color system: 1 background base, 1 elevated surface color, 1 high-contrast text color, and 2 vibrant brand accent swatches. Using Valkit's Color Palette Studio, you can press your spacebar to instantly randomize high-contrast 5-color combinations.

2. Export CSS Custom Properties (`:root`)

Hardcoding HEX codes across multiple CSS files makes maintenance difficult. Click "📋 Copy CSS Variables" inside Valkit to export a clean `:root` stylesheet block (e.g., `--color-1: #6366F1`) that integrates into React, Next.js, Vue, or vanilla CSS.

3. Generate Linear CSS Gradients for Hero Headers

Switch to the CSS Gradient Studio tab to combine two colors at custom angles (e.g. `135deg`). Copy the generated `background: linear-gradient(...)` CSS rule directly into your hero container styles.

Open Color Palette Studio →
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