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Color Tools

Palettes, contrast, and color info

Color Tools handles every color task a designer or developer runs into — format conversions, palette generation, accessibility checking, and creative naming. Pass a hex code and get back HSL, RGB, CMYK, and a creative name drawn from a database of nearly 32,000 curated color names.

It combines deterministic color theory (monochrome, analogic, complement, triad, quad palettes) with AI-generated palettes that can lock specific colors in place. The contrast checker runs WCAG AA and AAA compliance tests instantly, so you can verify accessibility without leaving your workflow.

What you can do

  • color_info — convert any color between hex, RGB, HSL, HSV, and CMYK; get the closest named color and a creative name
  • generate_palette — build a color scheme from a hex using established color theory modes
  • ai_palette — generate a palette using machine learning, with the ability to lock specific colors
  • check_contrast — test any foreground/background pair against WCAG AA and AAA standards
  • name_colors — get creative names for up to 10 hex colors at once from a 31,887-name database

Who it's for

Designers building brand palettes, developers implementing design systems, UX teams running accessibility audits, and anyone who needs to communicate colors precisely across tools and formats.

How to use it

  1. Start with color_info to convert a color and find its name
  2. Use generate_palette or ai_palette to build a full color scheme from your brand color
  3. Run check_contrast on any text/background pair to verify WCAG compliance before shipping
  4. Use name_colors when you need human-readable names for a set of hex values
Color Info

Get comprehensive info about any color — name, hex, RGB, HSL, HSV, CMYK, closest named color, creative name, and contrast recommendation. Accepts hex, RGB, and HSL input formats.

Returns: All color format conversions (hex, RGB, HSL, HSV, CMYK), named color, creative name, and contrast recommendation
Generate Palette

Generate a color scheme from a starting color using classic color theory. Supports monochrome, analogic, complement, analogic-complement, triad, and quad modes with 2-10 colors.

Returns: Color palette with hex, RGB, HSL values and creative names for each color
AI Palette

Generate an AI-powered 5-color palette using machine learning. Optionally lock specific colors and let the AI generate complementary colors for the remaining positions.

Returns: 5-color AI-generated palette with hex, RGB, creative names, and locked status for each color
Check Contrast

Check WCAG 2.1 accessibility contrast ratio between a foreground and background color. Returns AA and AAA compliance for both normal and large text with improvement suggestions.

Returns: WCAG contrast ratio, AA and AAA compliance for normal and large text, and improvement suggestions
Name Colors

Get creative names for up to 10 colors from a database of 31,887 named colors. Returns each color with its closest creative name, plus a generated palette title for the group.

Returns: Creative color names from 31,887-name database, plus a generated palette title
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v0.012026-03-22
  • Initial release with 5 skills: color_info, generate_palette, ai_palette, check_contrast, name_colors

Color Tools Use Cases(3)

Browse all 3 Color Toolsguides →
Open Generate Brand Color Palettes

Generate Brand Color Palettes

Create cohesive color palettes for brand identities, websites, and design systems — from a seed color or a descriptive prompt.

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Color Tools
4 agent guides
Open Check Color Accessibility Contrast Ratios

Check Color Accessibility Contrast Ratios

Verify text and background color combinations meet WCAG AA or AAA accessibility standards before shipping to production.

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Color Tools
4 agent guides
Open Search Papers by Topic

Search Papers by Topic

Find relevant academic papers on any research topic across millions of scholarly publications.

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Academic Research
4 agent guides
Open Geocode Addresses to Coordinates

Geocode Addresses to Coordinates

Convert street addresses into precise latitude and longitude coordinates for mapping and spatial analysis.

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Address Geocoding
4 agent guides
See every Color Toolsuse case (Claude, ChatGPT, Copilot, OpenClaw guides) →

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Frequently Asked Questions

Can I convert between hex, RGB, HSL, HSV, and CMYK?

Yes. `color_info` accepts hex, RGB, or HSL input and returns the full set of color conversions along with the closest named color and a contrast-friendly text color.

How do I generate a palette from one color?

`generate_palette` builds classic color schemes like monochrome, analogic, complement, triad, and quad. If you want a smarter starting point, `ai_palette` can lock up to five colors and fill in the rest.

Will it check accessibility contrast for my design?

`check_contrast` measures WCAG 2.1 AA and AAA contrast for foreground and background colors, including the large-text rules, and suggests a readable pairing.

Can I name several brand colors at once?

Yes. `name_colors` can name up to 10 hex colors in one call, which is useful when you are matching a palette to a brand system.