colormaps-styling

Apply perceptually uniform colormaps and consistent styling to HoloViz visualizations.

3|1|Updated Dec 21, 2025
One-click install
npx skills add https://github.com/cdcore09/holoviz-claude --skill colormaps-styling
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: colormaps-styling
Source: https://github.com/cdcore09/holoviz-claude/tree/main/plugins/holoviz-expert/skills/colormaps-styling
Command: npx skills add https://github.com/cdcore09/holoviz-claude --skill colormaps-styling

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires colorcet, holoviews, panel, bokeh.

What problem does it solve?

This skill solves the challenge of selecting perceptually uniform colormaps and applying consistent visual theming across HoloViz visualizations, ensuring accessibility and brand-aligned aesthetics.

Core Features & Use Cases

  • Perceptually uniform colormaps: choose maps that preserve data integrity and are colorblind-friendly.
  • Theming and styling: apply consistent themes across Panel, Holoviews, and hvPlot-based dashboards.
  • Accessibility guidance: guidelines for color contrast, grayscale printability, and colorblind considerations.
  • Use Case: standardize palette choices for a multi-chart dashboard to maintain readability and branding.

Quick Start

Install colorcet and ensure dependencies are available. Then select and apply appropriate colormaps in your hvPlot/HoloViews plots. Example: set cmap=cm['cet_goertzel'] and enable colorbar in your visualizations.

Frequently Asked Questions about colormaps-styling

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I apply accessible colormaps to HoloViz visualizations?

To apply accessible colormaps to HoloViz visualizations, use colorcet to select perceptually uniform maps and pass them to the cmap parameter in your Holoviews, hvPlot, Panel, or Datashader plots to ensure data integrity and colorblind-friendly rendering.

What are perceptually uniform colormaps and when do I need them for Panel dashboards?

Perceptually uniform colormaps ensure equal visual steps across the color range to represent data changes accurately. You need them for Panel dashboards when visualizing complex data that demands accurate interpretation, grayscale printability, and colorblind accessibility.

Can I standardize visual theming across Holoviews and hvPlot charts?

Yes, you can standardize visual theming across Holoviews and hvPlot charts by applying consistent color palettes and accessibility guidelines. This maintains readability and aligns multi-chart dashboards with specific branding requirements.

Does this color management approach work with GeoViews and Datashader?

Yes, this color management approach works with GeoViews and Datashader. It targets HoloViz workflows broadly, requiring colorcet, holoviews, panel, and bokeh to apply consistent accessibility themes and perceptually uniform colors across these visualization libraries.

What is the best way to ensure color contrast and grayscale printability in HoloViz plots?

The best way to ensure color contrast and grayscale printability in HoloViz plots is to use colorcet's perceptually uniform colormaps. These maps are designed to preserve data integrity while maintaining colorblind accessibility and grayscale legibility.