---
name: color-palette-702327928108
version: 1.1.1
description: Extract a color palette from an image and return HEX/RGB values with optional swatch image.
author: qrost
permissions:
  - shell:exec
---

# Color Palette

Extract dominant colors from a photo and get HEX/RGB values for use in design tools or mood boards.

## Dependencies

- `Pillow` (image handling; required)
- `colorgram` (optional; better dominant-color extraction; `pip install colorgram.py`)
- `matplotlib` (optional; only if generating swatch image with `--output`)

**Setup:** OpenClaw does not install Python packages automatically. After installing this skill, run once: `pip install -r requirements.txt` (from the skill folder or pass the path). If a script fails with `ModuleNotFoundError`, install the missing package.

## Usage

### Extract palette from an image

**Parameters:**

- `image`: Path to the image file (JPEG, PNG, etc.).
- `-n`, `--num-colors`: Number of colors to extract (default 5, max 20).
- `--output`: Optional path to save a swatch PNG.

```bash
python3 scripts/extract_palette.py /path/to/photo.jpg
python3 scripts/extract_palette.py /path/to/photo.jpg -n 8 --output palette_swatch.png
```

Output: one line per color with HEX and RGB (e.g. `#2A4B7C  RGB(42, 75, 124)`). If `--output` is set, a simple swatch image is saved.

## Sending images to Telegram

These skills are used from the OpenClaw Telegram conversation. To show the user a picture, the agent must (1) run the script with an **image output path** (PNG or JPG), then (2) **send that file** to the conversation using the OpenClaw message/media tool. For this skill: use `--output <path>.png` so you have an image to send; then send that PNG to the user.

**OpenClaw allowed paths:** The message tool only sends files from allowed dirs (`~/.openclaw/media/`, `~/.openclaw/agents/`, or system temp e.g. `/tmp`). Use e.g. `--output ~/.openclaw/media/palette.png` or `--output /tmp/palette.png`; do not use the skill install directory or sending will fail.

**Agent behavior:** When the user asks to extract colors from an image (or sends an image for a palette), **run the script directly** with `exec`: save the image to a temp path if needed, run `extract_palette.py <image_path> -n <N> --output <path>.png` with `<path>` under an allowed dir, return the HEX/RGB text and send the swatch PNG. Do not ask for confirmation; execute and return the palette and image.

## Examples

**User:** "Extract 5 colors from this image" (with image attached).  
**Action:** Save the image to a temp path, run `extract_palette.py <path> -n 5 --output /tmp/palette.png`, return the HEX/RGB list and send the swatch PNG.

**User:** "Give me a color palette from [image] and save the swatch as swatch.png."  
**Action:** Run with `--output swatch.png`, return the palette text and send the image.


---
Source attribution: modbender
Original project: https://github.com/modbender/skill-library-mcp/blob/d9c8fe903b5b4e82237dbe8d0df8567783022e18/data/color-palette/SKILL.md
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Mega AI Hub.

## Upstream license notice

MIT License

Copyright (c) 2025 skill-library-mcp contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Mega AI Hub resource metadata

Creator / publisher: modbender
Original project: https://github.com/modbender/skill-library-mcp/blob/d9c8fe903b5b4e82237dbe8d0df8567783022e18/data/color-palette/SKILL.md
Attribution basis: Source repository record

Fields of work: Design
Roles: Graphic Designer, Product Designer, UX Designer
Specialties: Design
Tools: Pillow, Colorgram, Matplotlib
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: afe6f42bb44142837957e58442232461a5d81f0d335162e2b59144efb3a1815e