Color Palette Generator
Generate a harmonious color palette from any base hex color. Choose from complementary, analogous, triadic, or monochromatic schemes.
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How to use this calculator
Converts input HEX → HSL, rotates hue by scheme-specific angles, converts back to HEX. Saturation and lightness stay anchored to the base color.
- 1
Enter your base color as a 6-digit hex code (e.g. #3B82F6).
- 2
Select a color harmony scheme.
- 3
Copy the resulting hex codes into your design tool or CSS.
Frequently asked questions
What is a complementary color?
The complementary color sits directly opposite on the color wheel (180° away). Complementary pairs create maximum contrast and are great for call-to-action buttons against a brand color.
What is an analogous palette?
Analogous colors are adjacent on the color wheel (30°–60° apart). They are naturally harmonious and appear in nature. Great for calm, cohesive designs like wellness or nature brands.
Which scheme is best for UI design?
Most UI design uses a monochromatic or analogous palette for the main interface, with one complementary accent for interactive elements (buttons, links, highlights). Triadic palettes work well for playful or vibrant brands.
Color Palette Generator — Complementary, Analogous & More
Color theory and harmony
Color harmony schemes are based on the positions of colors on the HSL color wheel. Complementary: maximum contrast (opposite). Analogous: natural harmony (adjacent). Triadic: balanced vibrancy (equidistant triangle). Tetradic: rich variety (square). Split-complementary: high contrast with more variation than pure complementary.
Using color palettes in web design
A typical web palette needs: 1 primary color (your brand), 1 secondary color, 1–2 accent colors, neutral grays, and light/dark shades of each. Use the monochromatic scheme to generate the tints and shades of your brand color for backgrounds, hover states, and disabled elements.
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