MCP tool
colour_metrics
Returns numeric metrics derived from a single display colour: an estimated light reflectance value (LRV) and band, relative luminance, CIELAB lightness, chroma and hue angle, and Bradford corresponding colours under two standard illuminants.
The colour_metrics tool is provided by Colour Memory. Install that server in your AI client and the assistant can call it directly.
Servers exposing colour_metrics
From the publisher:Returns numeric metrics derived from a single display colour: an estimated light reflectance value (LRV) and band, relative luminance, CIELAB lightness, chroma and hue angle, and Bradford corresponding colours under two standard illuminants. It also lists what a hex cannot support, such as thermal performance or a measured LRV. This is one component of colour_passport. Use colour_passport for a ge
Install Colour Memory →Parameter Type Description hex_val*string Hex value e.g. '#8B4513'
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.