Color Palette Generator
Auto-generate balanced color palettes.
Updated June 2026
Generate randomizes the seed; Surprise me also randomizes the harmony mode. Click any swatch to copy its hex, or Copy all for the full set.
How to use the Color Palette Generator
- 1
Choose a seed color
Use the color picker or type a hex code like #955f3b to set your starting color.
- 2
Pick a harmony mode
Switch between Analogous, Complementary, Triadic and Monochrome to reshape the palette.
- 3
Copy your colors
Click any swatch to copy its hex, or use Copy all to grab all five at once.
About this tool
A color palette generator turns a single seed color into a complete, harmonious set of colors. Designers use it to kick off brand systems, developers use it to fill in UI accent and surface colors, and hobbyists use it to find combinations that simply look right. This palette maker derives five colors from your seed using proven color-harmony rules, so the result is balanced rather than random.
Pick a starting color with the picker or by typing a hex code, then choose a harmony mode. Analogous uses neighboring hues for a calm, cohesive feel; complementary pairs opposite hues for high contrast; triadic spreads three evenly spaced hues for vivid balance; and monochrome varies the lightness of one hue for a clean, tonal scheme. The five swatches update the moment you change the seed or mode.
Everything happens locally in your browser — no accounts, no uploads, no tracking. Hit Generate to randomize the seed, or Surprise me to randomize both the seed and the harmony rule. Click any swatch to copy its hex code, or use Copy all to grab the full palette as a comma-separated list ready to paste into your CSS, design tool, or style guide.
Examples
Input
Seed #955f3b, mode Analogous
Output
Five warm earthy tones spanning neighboring hues around the seed.
Input
Seed #2d6cdf, mode Complementary
Output
Blue tones paired with their warm orange opposite for high contrast.
Complementary mode includes light and dark variations of each hue.
Input
Seed #1f9d55, mode Monochrome
Output
One green hue stepped from dark to light for a clean tonal scheme.
Common uses
- Designers starting a brand system from one signature color and needing matching accents
- Frontend developers picking accent, hover, and surface colors that work together for a UI
- Marketers building a cohesive social-media or slide-deck color scheme from a logo color
- Illustrators and hobbyists exploring color combinations that look balanced without theory knowledge
- Product teams generating a quick palette to prototype before a full design system exists
- Students learning color theory by seeing analogous, complementary, and triadic schemes side by side
Frequently asked questions
Is this color palette generator free?+
Yes. It is completely free with no sign-up, no limits, and no watermarks.
How are the palettes generated?+
Each palette is derived from your seed color using classic color-harmony rules — analogous (neighboring hues), complementary (opposite hues), triadic (three evenly spaced hues), and monochrome (one hue at varied lightness).
What is the difference between the harmony modes?+
Analogous feels calm and cohesive, complementary is high-contrast, triadic is vivid and balanced, and monochrome is a clean tonal range of a single hue. Try each to see which fits your project.
Does my color data leave my browser?+
No. All color math runs locally in your browser with JavaScript. Nothing is uploaded, logged, or stored.
Can I use these palettes commercially?+
Yes. Colors and hex codes are not copyrightable, so you can use any palette you generate in personal or commercial work freely.
Learn more
Color Harmony: Complementary, Analogous & Triadic
Color harmony is the art of choosing colors that look deliberate together rather than accidental. It is not mysterious taste — it is geometry. Almost every…
4 min readHow to Build a Color Palette
A color palette is the small, deliberate set of colors a brand or interface reuses everywhere — buttons, backgrounds, text, charts, and alerts. A good…
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