Lab parameters in 3d space

[Ninanoki]

i was trying to find the closest color to another color by using 16 shades. i think that L,a,b could be used as x,y,z parameters to set color position in 3d space and then measure the distance between colors. am i right or is it useless approach?

 

[IamSam]

Hello, wasn't this discussed here: https://www.photoshopgurus.com/foru.../54349-delta-e.html?highlight=#post1533712367