colorname is both a plugin for The Gimp as well as a standalone tool that tries to assign a name to a color, using external color definitions and linear algebra.
For this it calculates the euclidean distance between the currently selected color and all predefined colors, either in the RGB or HSV color space.
colorname is licensed under the GPLv2.
In case you stumble over any bugs, feel free to report them.
colorname was written by
Just start colorname.py
Once installed you can find colorname in the GIMP under: ”<Toolbox>/Xtns/Colorname”
colorname has been tested with