A lightweight, pure Python CLI tool that generates complementary, triadic, and analogous color schemes from any base hex code without external dependencies.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install cn-color-scheme-generator
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install cn-color-scheme-generator using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Color Scheme Generator?
The Color Scheme Generator is a highly efficient, pure Python CLI tool designed to help developers and UI/UX designers generate harmonious color palettes programmatically. It requires zero API keys or external library dependencies, leveraging color theory formulas directly to deliver instant results. By implementing this tool, developers can integrate mathematical color generation directly into their automated design pipelines and asset creation workflows.
As part of the Openclaw Skills ecosystem, this script provides a standardized interface for AI coding agents to dynamically suggest and inject color schemes during web development tasks, ensuring design consistency and automated style matching without leaving the terminal.
Color Scheme Generator Use Cases
- UI/UX Design Mockups: Dynamically generate cohesive interface color schemes from a single brand color.
- Automated Theme Generation: Programmatically build dark/light mode variations or distinct aesthetic themes for applications.
- Data Visualization Styling: Produce complementary and high-contrast triadic color palettes to make charts and diagrams easily readable.
- Brand Asset Pipeline: Integrate into design asset builders to automatically output color palettes for brand guidelines.
How Color Scheme Generator Works
- Input Parsing: The user provides a base color hex code (e.g.,
#ff5733) via the CLI script command. - Hex to HSV/HSL Conversion: The script internally converts the hex string to a color space suitable for mathematical rotation (like HSV or HSL).
- Theory-Based Calculation: The generator calculates adjacent or opposite angles on the color wheel: 180 degrees for complementary, 120-degree offsets for triadic, and adjacent angles for analogous schemes.
- Hex Conversion & Output: The computed angles are converted back to hex format and printed as a structured JSON object.
Color Scheme Generator Setup
To integrate this CLI tool into your project or make it accessible to your AI agents, run the script directly from your terminal using Python 3:
# Download or place the script in your local project workspace
mkdir -p scripts
# Run the color generator with a base hex color
python3 scripts/color_scheme.py --base "#ff5733"
No virtual environment or extra pip install commands are required as this tool utilizes only the Python standard library.
Color Scheme Generator Data Schema & Taxonomy
The utility outputs a clean, parseable JSON block containing the original base color and the generated schemes:
| Output Property | Description | Format |
|---|---|---|
base |
The initial base hex color passed to the CLI command | Hex String (e.g., "#ff5733") |
schemes.complementary |
High-contrast pairs opposite on the color wheel | Array of Hex Strings |
schemes.triadic |
Three balanced, evenly-spaced colors | Array of Hex Strings |
schemes.analogous |
Harmonious colors adjacent to each other | Array of Hex Strings |
Example schema structure:
{
"base": "#ff5733",
"schemes": {
"complementary": ["#ff5733", "#33d6ff"],
"triadic": ["#ff5733", "#33ff57", "#5733ff"],
"analogous": ["#ff5733", "#ffa033", "#ff3357"]
}
}
Color Scheme Generator Advanced Features
- Zero-Dependency Core: Designed to run anywhere Python is installed, eliminating environment bloat and setup friction.
- Deterministic Computations: Relies on exact color theory math ensuring reproducible outputs and ultra-low latency execution.
- Agentic Integration: Easily callable by AI workflows within the Openclaw Skills framework, allowing autonomous agents to make micro-adjustments to codebases, stylesheets, or configuration settings on the fly.
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