Color Variations is one option to create own color library from selected color using LAB or RGB color in different deviation and samples count.
Generate Variations
When opening neoMatch, an untitled job window opens, otherwise open it from File | New. It is always recommended to save documents as we move along. Insert the ICC profile to be able to generate the color world within the profile.
From open job windows with colors select the color you want to get the color variations. Choose Utilities | Generate Variations… and a new dialog pops up, with a default deviation of 2% and 64 samples of the selected color. Increasing or reducing such numbers will vary the total number of colors. Press 'Generate' to proceed with the generation of the color world. 
The variations have 64 color references, which are generated in a few seconds.
Generate Multiple Variations
This multiple option is generating variations of all colors in the colors list. From open job windows choose Utilities | Generate Multiple Variations… and a new dialog pops up, with minimum dE, deviation of 2%, and 64 samples of all colors. Increasing or reducing such numbers will vary the total number of colors. Press Generate to proceed with the generation of the color world.
The minimum dE will discard all colors that are below the dE value to create variations of colors that are out of dE.