The title explain what I'm asking. The app is very good and it would be nice if there was a version for Windows 10. I think it wouldn't be so hard make the porting and propably the application could gain more notoriety in the market.

Can anybody suggest a way (possibly an algorithm) to calculate a difference between two colors in most accurate way considering the human eye color perception? I doubt that simple Euclidean distance in the RGB or CMYK color space would be...