BESUR is a color theme for code editors, specifically VS Code and any editor that supports the Open VSX extension registry, which includes tools like Windsurf, VSCodium, and Gitpod. A color theme changes how source code looks on screen: which colors are used for keywords, strings, variables, comments, and the background. The author describes BESUR as vibrant and cyberpunk-inspired, and notes it is based on an older theme called Sorcerer by Mark Thomas Miller. The extension ships in three variants. The original BESUR uses a full-saturation neon palette on a dark background. BESUR Soft is the same idea with slightly muted colors, intended to be easier on the eyes during long sessions. BESUR Light keeps the same intense color choices but adapts them for a white background. The README shows screenshots of all three and lists the exact hex codes for the main palette roles: a near-black background, white foreground, pink for functions and keywords, blue for variables, green for strings, yellow for numbers, and gray for comments. The core selling point in the README is the breadth of language coverage. Most themes color a handful of common languages well and leave the rest looking plain. BESUR lists tuned token colors for JavaScript and TypeScript including JSX and TSX, HTML, CSS along with SCSS, LESS, Sass, and PostCSS, plus SQL with named coverage of keywords, data types, and functions. It also covers XML, YAML, TOML, and JSON, the last with five levels of color-coded nesting. Backend languages include Python, Rust, Go, PHP, Java, and C or C++, each with notes on which constructs get special colors, for example Rust lifetimes and macros, PHP dollar-prefixed variables, or Python decorators and type hints. Scripting and infrastructure files like Bash, Dockerfile, GraphQL, and Prisma are supported, along with Markdown and regular expressions. Installation is the usual editor extension flow: search for BESUR in the Extensions panel of VS Code or Open VSX and click Install, or copy the folder manually into the editor's extensions directory and pick BESUR from the Color Theme menu. The project is MIT licensed and the README invites issues and pull requests, especially for adding more languages.
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