colour-proximity

Get a value of the proximity of two hex colours.

colour-proximity

Get a value of the proximity of two hex colours.

This package also exports rgb2lab([r,g,b]), a function that converts RGB to Lab* at Observer=2° and Illuminant=D65

colour-proximity.proximity("#ffffff","#fffffe") // 0.5074219151751335 
colour-proximity.proximity("#ffffff","#000000") // 100.000000625 

Use node with npm:

npm install colour-proximity