A C-library containing a function to determine how similar two colors are. The code here is based on this C++ implementation of psuedocode written in the paper The CIEDE2000 Color-Difference Formula, by Gaurav Sharma, Wencheng Wu, and Edul N. Dalal.

make

The CIEDE2000 algorithm uses colors from the LAB colorspace, not RGB. To use the library methods, convert the image colorspace first.