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Color Harmony Picker - Online Complementary Split‑Comp

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Complementary colors sit opposite each other on the color wheel, creating high contrast and vibrant pairings.

Generated Palette
Harmonized text accent | Preview

Frequently Asked Questions

A Color Harmony Picker helps you find visually pleasing color combinations based on color theory. By selecting one base color, the tool automatically calculates complementary, split-complementary, triadic, tetradic, square, analogous, or monochromatic palettes—saving designers hours of manual color matching.

Complementary colors are two colors that sit directly opposite each other on the color wheel (180° apart). Examples include blue & orange, red & green, and purple & yellow. This pairing creates maximum contrast and visual impact—ideal for call-to-action buttons, bold branding, and attention-grabbing designs.

Split-complementary uses one base color plus the two colors adjacent to its complement (150° and 210° from the base). This gives you high contrast like complementary schemes but with less tension and more nuance. It's perfect for balanced UI designs that need a pop of contrast without being overwhelming.

Triadic schemes use three colors evenly spaced at 120° intervals on the color wheel—offering rich contrast while maintaining balance. Tetradic (also called double-complementary) uses four colors arranged in two complementary pairs (60°, 180°, 240° from the base), forming a rectangle. Tetradic schemes are the most complex and versatile, great for elaborate designs with multiple visual elements.

Analogous colors (adjacent on the wheel, within ±60°) create serene, cohesive designs with low contrast. They're excellent for backgrounds, gradients, data visualizations with subtle category distinctions, and any design aiming for a calm, harmonious feel. Pair them with a contrasting accent color for highlights.

A monochromatic palette uses variations in lightness and saturation of a single hue. It creates clean, elegant, and highly unified designs. This approach is popular in minimalist UI, luxury branding, and dashboard design where clarity and hierarchy matter more than colorful variety. It's also the safest choice for accessibility since contrast ratios are easier to manage within one hue family.

Click or drag anywhere on the color wheel to select your base hue and saturation. The outer ring represents pure hues at full saturation, while moving inward reduces saturation toward neutral gray. You can also type a HEX code directly or use the native color picker for precise selection. All harmony colors update in real time.

If your base color has low saturation (closer to the center of the wheel), all derived harmony colors will share that low saturation. For vibrant palettes, pick a base color near the outer edge of the wheel. For muted, sophisticated palettes, intentionally choose a less saturated base. The tool preserves your base saturation and lightness across all harmony colors (except monochromatic, which varies lightness intentionally).

Pro Tip: Use Ctrl+V / ⌘+V to paste any HEX color code into the input field. All palettes update instantly.

This tool supports HEX, RGB, and HSL color spaces. Click any color card to copy its HEX value to your clipboard. Use the Copy All button to export the entire palette at once.

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