631 color

631 color helps you choose three colors and take them straight into a real project. The swatches show a 60:30:10 balance: a broad base, a secondary color, and a small accent.

It began with a simple need: find a useful combination online, understand its mood, and copy it into a website or an AI design prompt.

• 144 curated palettes with neutral, analogous, monochromatic, complementary, triadic, and split complementary directions
• Mood descriptions, search, brightness filters, and favorites saved in your browser
• Hover or focus to reveal HEX codes; click to copy a color
• Copy CSS variables or a single line of HEX colors with 60%, 30%, and 10% for an AI prompt
• A color-role preview, rotation, and palette SVG download

Open 631 color, choose a palette in Combinations, and copy the format you need. No account is required.

Read the color guides for practical examples of the 60:30:10 rule, choosing three colors, and describing them in an AI prompt.

Mood descriptions are editorial impressions, not popularity rankings. Favorites stay in the current browser. Check text contrast in your final design.

HTML, CSS, and JavaScript. Palette browsing and favorites run in the browser.