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creating-streamlit-themes

Standardize Streamlit app theming with brand-aligned config.toml themes.

Updated Apr 4, 2026
Search Tags:#typography#branding#theming#design-principles#streamlit#color-palette#config.toml
One-click install
npx skills add https://github.com/mberetvas/blauw_zwart_pipeline --skill creating-streamlit-themes-mberetvas
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: creating-streamlit-themes
Source: https://github.com/mberetvas/blauw_zwart_pipeline/tree/main/.agents/skills/developing-with-streamlit/skills/creating-streamlit-themes
Command: npx skills add https://github.com/mberetvas/blauw_zwart_pipeline --skill creating-streamlit-themes-mberetvas

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Creating and applying brand-aligned Streamlit themes using the .streamlit/config.toml approach to ensure consistent visuals and branding across apps.

Core Features & Use Cases

  • Theme file setup in .streamlit/config.toml under the [theme] section (base, color, typography, borders) to standardize visuals.
  • Theme inheritance and references to local or remote base files to scale branding across multiple dashboards and internal tools.
  • Design principles and guidelines to avoid custom CSS while achieving cohesive visuals, including light/dark mode support, typography, and borders customization.

Quick Start

Update the .streamlit/config.toml file to define a brand-aligned theme with color, typography, and widget styles.

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 using config.toml?▼

To create a custom Streamlit theme, you update the .streamlit/config.toml file under the [theme] section to define base colors, typography, and widget styles. This standardizes your app visuals without requiring custom CSS.

What is the best way to standardize branding across multiple Streamlit apps?▼

The best way to standardize branding across multiple Streamlit apps is using config.toml theme inheritance and remote base file references. This ensures consistent visuals across dashboards and internal tools.

Can I set up light and dark modes in Streamlit without custom CSS?▼

Yes, you can set up light and dark modes in Streamlit without custom CSS by defining theme attributes in config.toml. The theming system natively supports base colors, typography, and sidebar styling for both modes.

Does Streamlit config.toml theming support typography and sidebar styling customization?▼

Streamlit config.toml theming fully supports typography and sidebar styling customization. You can define font families, widget styles, and borders directly in the [theme] section to enforce design principles across your apps.

Why should I avoid custom CSS when branding Streamlit apps?▼

You should avoid custom CSS when branding Streamlit apps because config.toml theming enforces design principles and theme inheritance. This native approach ensures cohesive visuals, responsive behavior, and scalable branding across multiple dashboards.

How do I configure Streamlit theme inheritance for a team of developers?▼

You configure Streamlit theme inheritance for a team by setting up a base config.toml theme file and referencing it across projects. This scales branding by ensuring all team members inherit consistent colors and typography.

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