# norcalli/nvim-colorizer.lua

The fastest Neovim colorizer.

Repository: https://github.com/norcalli/nvim-colorizer.lua
Canonical: https://ross.abutalabs.com/products/nvim-colorizerlua
Language: Lua
License: NOASSERTION
License Family: other
Last push: 2024-07-03T14:38:07+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 2512, "days_push": 791, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2692, forks 168 (observed 2026-08-28T04:07:11.071543+00:00)

## What it is
A high-performance color highlighter plugin for Neovim written in LuaJIT with no external dependencies. It highlights color codes (hex, named colors, CSS rgb/hsl functions) in buffers in real time.

## Use cases
- highlight hex color codes in neovim
- show color previews for css colors in editor
- display rgb and hsl color values inline
- highlight named colors like blue in code
- fast colorizer plugin for neovim with no dependencies

## When to choose
- you use Neovim and want fast, real-time color code highlighting
- you want a colorizer with zero external dependencies
- you need a Lua API for custom color highlighting

## When to avoid
- you use Vim instead of Neovim
- you need color highlighting in other editors like VS Code

## Facets
- artifact type: plugin
- maturity: maintenance
- function: ui-components, developer-tools
- domain: text-editors, developer-tools, web-design
- platform: windows, editor-plugin
- tags: neovim, color-highlighter, lua, syntax-highlighting, hex-colors, css-colors, linux, macos

## Member repositories
- norcalli/nvim-colorizer.lua (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:07:11.071543+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:16:32.301493+00:00, confidence not recorded.
  - readme: https://github.com/norcalli/nvim-colorizer.lua (fetched 2026-08-28T04:07:11.071543+00:00, sha bc22ecdc70d9)
- Data as of 2026-08-30T08:39:29.467469+00:00.