creating-streamlit-themes

Configure Streamlit themes by editing .streamlit/config.toml for colors and typography.

487|128|Updated Mar 27, 2026
One-click install
npx skills add https://github.com/iusztinpaul/designing-real-world-ai-agents-workshop --skill creating-streamlit-themes-iusztinpaul
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: creating-streamlit-themes
Source: https://github.com/iusztinpaul/designing-real-world-ai-agents-workshop/tree/main/.agents/skills/developing-with-streamlit/skills/creating-streamlit-themes
Command: npx skills add https://github.com/iusztinpaul/designing-real-world-ai-agents-workshop --skill creating-streamlit-themes-iusztinpaul

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Create brand-aligned Streamlit themes to ensure consistent appearance across apps, enabling quick branding updates without manual styling.

Core Features & Use Cases

  • Theme file setup and inheritance for consistent base/brand colors and typography.
  • Color configuration and typography guidelines to ensure accessibility and visual harmony.
  • Practical templates for common brand styles, dark/light modes, and responsive UI.

Quick Start

Edit the .streamlit/config.toml file in your app to set base theme, colors, and typography.

Frequently Asked Questions about creating-streamlit-themes

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

FAQPage Schema
How do I create a custom Streamlit theme for my app?

To create a custom Streamlit theme, you need to edit the .streamlit/config.toml file to define your base colors, typography, and dark/light modes. This ensures a cohesive appearance and brand consistency across multiple app pages.

What is the best way to apply brand colors in Streamlit without writing custom CSS?

The best way to apply brand colors without CSS is by configuring the .streamlit/config.toml file. This approach simplifies Streamlit app theming by guiding configuration choices for cohesive appearances and avoiding manual CSS styling.

Can I set up dark and light modes using config.toml in Streamlit?

Yes, you can set up dark and light modes by editing the .streamlit/config.toml file. This configuration file allows you to implement base theme settings, colors, and typography while adhering to accessibility best practices.

Does Streamlit theming support typography and color inheritance across multiple pages?

Streamlit theming supports theme file setup and inheritance for consistent base and brand colors across multiple pages. By configuring config.toml, you ensure visual harmony and UI consistency without manual styling for each page.

Why should I use config.toml for Streamlit theming instead of injecting custom CSS?

Using config.toml for Streamlit theming simplifies branding updates and ensures UI consistency without manual styling. It provides practical templates for brand styles while adhering to accessibility best practices and avoiding complex CSS injection.

What are the limitations of using config.toml for Streamlit app theming?

Using config.toml for Streamlit app theming limits you to the available configuration options for base colors and typography. Complex visual customizations outside these predefined theme settings still require custom CSS injection despite configuration file limitations.