MCP server

Traditional Colors

dev.omikuji/color

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Traditional color names (Japanese and 10 more cultures) with hex/RGB and sources; name a hex.

Working at last checkVerified publisher: omikuji.devAbout 552 tokens per request once connected4 tools

https://color.omikuji.dev/mcp

At a glance

Type: MCP server
Publisher: omikuji.dev (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 552 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http color https://color.omikuji.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.color]
url = "https://color.omikuji.dev/mcp"

Gemini CLI

{"mcpServers":{"color":{"httpUrl":"https://color.omikuji.dev/mcp"}}}

Cursor

{"mcpServers":{"color":{"url":"https://color.omikuji.dev/mcp"}}}

VS Code

{"servers":{"color":{"type":"http","url":"https://color.omikuji.dev/mcp"}}}

Antigravity

agy mcp add color https://color.omikuji.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"color","server_url":"https://color.omikuji.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"color","server_url":"https://color.omikuji.dev/mcp"}

find_color ~170 tokens
Look up traditional colors by name and get hex/RGB with sources. Accepts Japanese kanji (浅葱色), reading in hiragana or katakana (あさぎいろ), English (Asagi, Prussian Blue), with or without 色. Exact name matches come first.
list_colors ~174 tokens
List colors filtered by culture, category (e.g. 青系, 赤系), era (e.g. 平安, 江戸) or tag. At most 50 per call.
list_cultures ~52 tokens
List the cultures covered, with color counts and categories.
nearest_colors ~156 tokens
Given a hex code, return the closest traditional colors by CIEDE2000 color difference (delta_e). Use it to answer "what is this color called in Japanese tradition?".

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