Noetphosiris

Overview

Noetphosiris is a maintained fork of the archived Semantic Colorizer extension for Visual Studio. It retains all original Roslyn-based semantic highlighting features.

Key Improvements

This fork resolves a known stability issue from the original project:

• Fixed an issue that caused VS2022 to hang during "Preparing Solution"

Compatibility

Supports Visual Studio 2017 and newer (2019 / 2022 / 2026). Visual Studio 2015 is no longer supported.

Highlight Coverage

This extension provides semantic highlighting for the following code elements:

• Class fields & Enum fields
• Static methods & Regular instance methods
• Constructors
• Type parameters & Method parameters
• Namespaces & Class properties
• Local variables & Special built-in types
• Local methods, Declaration methods & Built-in methods

Customization

All semantic colors can be customized in Visual Studio via Tools > Options > Environment > Fonts and Colors. Look for display items starting with Semantic *.

Recommended Companion Extensions

These extensions pair well with this tool for enhanced code coloring:

• Viasfora: Adds color highlighting for access modifiers and control flow keywords
• Visual Studio built-in User Types items: Customize display colors for classes, enums, delegates and other custom user types