How does Lightroom group colors inside the HSL panel?

by Selim   Last Updated August 10, 2018 13:18 PM

I am working on a small application that would allow the same functionality as the Lightroom HSL Panel:

Lightrooms HSL Panel

I would like my application to behave very similarly to how Lightroom does. Therefore I grouped colors that are similar in their hue values and I've come up with the following groups:

enter image description here

However, so far I am not quite happy with the results that I get by adjusting the HSL values of these groups. I have left out merged purple and magenta for now since they are the groups I struggle with the most.

So, my question is: Are there any experiments that analyze or even official documents that mention how Lightroom does this grouping? If not how could I adjust and improve the ranges I have so far?

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