sv-ttk
A gorgeous theme for Tkinter, based on Windows 11's UI
Decision gist · record as of 2026-08-14
Yes, if you are building Tkinter applications and want a modern appearance with minimal effort. The package is lightweight, has no dependencies, and carries permissive licensing. The aging maintenance status (432 days since last release) is a minor concern but not a blocker—the repository remains active and the package is stable. Install it if you need a ttk theme; skip it if you require custom widget styling beyond what a theme provides.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction: pure Python wheel with no runtime dependencies.
- Maintenance is aging—last release was 432 days ago, though the repository remains active with 2572 stars.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open and closed projects with minimal obligations.
last release 2025-06-08 (432 days) · last repo commit 2025-06-08 · 2,572 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 77,311 downloads/mo, #14,536 on PyPI
Alternatives
Verify before relying
pip install sv-ttk
import tkinter
from tkinter import ttk
import sv_ttk
root = tkinter.Tk()
button = ttk.Button(root, text="Click me!")
button.pack()
sv_ttk.set_theme("dark")
root.mainloop()- Whether the theme works correctly with all ttk widget types or only a subset.
- Performance impact when applying the theme to large numbers of widgets.
- Compatibility with custom ttk styles or whether the theme overrides them entirely.
What it is and what it does
sv-ttk is a visual theme package for Python's Tkinter library that applies a modern, Windows 11-inspired design to ttk (themed Tkinter) widgets. It provides dark and light color schemes and can be activated with a single `set_theme()` call. The package is intentionally minimal—it has no runtime dependencies and installs as a pure Python wheel.
The theme applies only to themable ttk widgets and does not affect regular Tkinter widgets, though the color scheme influences their appearance. The package is designed to integrate easily with other libraries; the documentation shows examples of detecting system theme preference and applying platform-specific styling on Windows.
Use it for
- Create a modern-looking desktop application with dark mode support without writing custom widget styling.
- Quickly prototype a Tkinter GUI that matches contemporary UI design expectations.
- Apply a consistent, professional appearance across multiple ttk widgets in an existing application.
- Build cross-platform Tkinter apps that adapt to system theme preference.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building Tkinter applications and want a modern appearance with minimal effort.
The package is lightweight, has no dependencies, and carries permissive licensing. The aging maintenance status (432 days since last release) is a minor concern but not a blocker—the repository remains active and the package is stable. Install it if you need a ttk theme; skip it if you require custom widget styling beyond what a theme provides.
Install
sv-ttk on PyPI
Before you install
Low friction: pure Python wheel with no runtime dependencies. Maintenance is aging—last release was 432 days ago, though the repository remains active with 2572 stars.
License in practice
MIT license permits unrestricted use, modification, and distribution in both open and closed projects with minimal obligations.
Quickstart
pip install sv-ttk
import tkinter
from tkinter import ttk
import sv_ttk
root = tkinter.Tk()
button = ttk.Button(root, text="Click me!")
button.pack()
sv_ttk.set_theme("dark")
root.mainloop()Verify before relying
- Whether the theme works correctly with all ttk widget types or only a subset.
- Performance impact when applying the theme to large numbers of widgets.
- Compatibility with custom ttk styles or whether the theme overrides them entirely.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Aging 432 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 77,311 / month, #14,536 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Intended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.9Programming Language :: TclTopic :: Software Development :: User Interfaces |
Evidence: sv_ttk-2.6.1-py3-none-any.whl
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