MCP tool
colour_mix
Simulate perceptually modelled subtractive mixing of two colours in CIE Lab space (not RGB screen blending).
The colour_mix tool is provided by Colour Memory. Install that server in your AI client and the assistant can call it directly.
Servers exposing colour_mix
From the publisher:Simulate perceptually modelled subtractive mixing of two colours in CIE Lab space (not RGB screen blending). Returns the resulting mixed hex value and its nearest archive match with cultural context. Uses CIE Lab subtractive model for perceptual accuracy. Example: mixing Prussian Blue and Yellow Ochre gives a muted green — the tool identifies which archive colour that green most closely matches.
Install Colour Memory →Parameter Type Description hex_a*string First colour hex e.g. '#003366' hex_b*string Second colour hex e.g. '#C8A600' rationumber Mix ratio 0.0-1.0 where 0.5 is equal parts (default 0.5)
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.